{"id":991,"date":"2025-09-17T16:19:06","date_gmt":"2025-09-17T07:19:06","guid":{"rendered":"https:\/\/www.sungilfa.co.kr\/?page_id=991"},"modified":"2026-01-30T11:47:41","modified_gmt":"2026-01-30T02:47:41","slug":"customer-friendly-services","status":"publish","type":"page","link":"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/customer-friendly-services\/","title":{"rendered":"Customer-friendly Services"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-none subtop prosubtop nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:70px;--awb-padding-bottom:30px;--awb-margin-bottom:0px;--awb-min-height:370px;--awb-background-image:url(&quot;http:\/\/www.sungilfa.co.kr\/wp-content\/uploads\/2025\/11\/coupling_bg.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1497.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><div class=\"subtoptitle\">\n<h3>Shaft Coupling<\/h3>\n<div class=\"subbgline\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/11\/Line-3.png\" \/><\/div>\n<p>Coupling is a core component that transmits power and motion<br \/>\nfrom the driving shaft to the driven part while absorbing misalignment<br \/>\nand any possible factors that could reduce efficiency of machines<br \/>\n(e.g. vibration, noise, electric current, etc.)<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:40px;--awb-padding-bottom:70px;--awb-margin-bottom:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1497.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><div class=\"pro_top\">\n<ul>\n<li><a href=\"\/en\/products\/coupling\/why-couplings\">Why Couplings?<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/installation-guide\">Installation Guide<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/selection-guide\">Selection Guide<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/customer-friendly-services\">Customer-friendly Services<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/made-to-order-process\">Made-To-Order Process<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/varieties-for-special-environments\">Varieties for Special Environments<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/balancing-correction\">Balancing Correction<\/a><\/li>\n<li><a href=\"\/en\/technical-data\/engineering-change-notice\/\">Engineering Change Notice<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;--awb-sticky-offset:200px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-widget-area awb-widget-area-element fusion-widget-area-1 fusion-content-widget-area\" style=\"--awb-title-color:#000000;--awb-padding:0px 0px 0px 0px;\"><style type=\"text\/css\" data-id=\"avada-vertical-menu-widget-5\">#avada-vertical-menu-widget-5 > ul.menu { margin-top: -8px; }<\/style><div id=\"avada-vertical-menu-widget-5\" class=\"widget avada_vertical_menu\" style=\"border-style: solid;border-color:transparent;border-width:0px;\"><style>#fusion-vertical-menu-widget-avada-vertical-menu-widget-5-nav ul.menu li a {font-size:16px;}<\/style><nav id=\"fusion-vertical-menu-widget-avada-vertical-menu-widget-5-nav\" class=\"fusion-vertical-menu-widget fusion-menu hover left no-border\" aria-label=\"Secondary Navigation: \"><ul id=\"menu-coupling\" class=\"menu\"><li id=\"menu-item-982\" class=\"toppromenu menu-item menu-item-type-post_type menu-item-object-page menu-item-982\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/\"><span class=\"link-text\"> Shaft Coupling <span class=\"desc\">(Index)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-10614\" class=\"greymenu menu-item menu-item-type-custom menu-item-object-custom menu-item-10614\"><a target=\"_blank\" href=\"https:\/\/select.sungilfa.co.kr\/#lang=en&#038;mode=direct\"><span class=\"link-text\"> Configurator<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-970\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-970\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/shr\/\"><span class=\"link-text\"> SHR Series <span class=\"desc\">(High Performance Rubber)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-971\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-971\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sd\/\"><span class=\"link-text\"> SD Series <span class=\"desc\">(Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-972\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-972\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sad\/\"><span class=\"link-text\"> SAD Series <span class=\"desc\">(Advanced Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-973\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-973\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/shd\/\"><span class=\"link-text\"> SHD Series <span class=\"desc\">(High Torque Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-974\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-974\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/scd\/\"><span class=\"link-text\"> SCD Series <span class=\"desc\">(Concentricity Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-975\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-975\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sjc\/\"><span class=\"link-text\"> SJC Series <span class=\"desc\">(Jaw)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-976\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-976\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/soh\/\"><span class=\"link-text\"> SOH Series <span class=\"desc\">(Oldham)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-977\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-977\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/srb\/\"><span class=\"link-text\"> SRB Series <span class=\"desc\">(Radial Beam)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-978\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-978\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/srg\/\"><span class=\"link-text\"> SRG Series <span class=\"desc\">(Rigid)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-979\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-979\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/scj\/\"><span class=\"link-text\"> SCJ Series <span class=\"desc\">(Cross Joint)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-980\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-980\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sfc\/\"><span class=\"link-text\"> SFC Series <span class=\"desc\">(Urethane Flexible)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-981\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-981\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sk\/\"><span class=\"link-text\"> SK Series <span class=\"desc\">(Schmidt)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-984\" class=\"gobackmenu menu-item menu-item-type-post_type menu-item-object-page menu-item-984\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/\"><span class=\"link-text\"> Go back to [Main Products]<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/nav><\/div><div class=\"fusion-additional-widget-content\"><\/div><\/div><div class=\"custom-select\">\n  <select onchange=\"window.open(value,'_self');\">\n    <option value=\"0\">Select<\/option>\n    <option value=\"\/en\/products\/coupling\/\">Shaft Coupling <span class=\"desc\">(Index)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/shr\">SHR Series <span class=\"desc\">(High Performance Rubber)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sd\">SD Series <span class=\"desc\">(Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sad\">SAD Series <span class=\"desc\">(Advanced Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/shd\">SHD Series <span class=\"desc\">(High Torque Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/scd\">SCD Series <span class=\"desc\">(Concentricity Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sjc\">SJC Series <span class=\"desc\">(Jaw)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/soh\">SOH Series <span class=\"desc\">(Oldham)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/srb\">SRB Series <span class=\"desc\">(Radial Beam)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/srg\">SRG Series <span class=\"desc\">(Rigid)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/scj\">SCJ Series <span class=\"desc\">(Cross Joint)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sfc\">SFC Series <span class=\"desc\">(Urethane Flexible)<\/span><\/option>\n  <option value=\"\/en\/products\/coupling\/sk\">SK Series <span class=\"desc\">(Schmidt)<\/span><\/option>\n <option value=\"\/en\/products\">Go back to [Main Products]<\/option>\n  <\/select>\n<\/div>\n<\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_3_4 3_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.56%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.56%;--awb-width-medium:75%;--awb-order-medium:0;--awb-spacing-right-medium:2.56%;--awb-spacing-left-medium:2.56%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><div class=\"subtitle\">\n<h3>Customer-friendly Services<\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-4\"><div class=\"certitle\">\n<h3>Keyway on Coupling Hubs<\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-5\"><div class=\"tableimgbox\">\n<div class=\"table-1 kchtable\">\n<table class=\"type1\">\n<thead>\n<tr>\n<th>Shaft(Bore) Diameter<\/th>\n<th colspan=\"6\">Keyway Dimension<\/th>\n<th>Nominal Size<\/th>\n<\/tr>\n<tr>\n<th>\u00d8d<sub>1<\/sub>\/ \u00d8d<sub>2<\/sub><\/th>\n<th colspan=\"4\">b(mm)<\/th>\n<th colspan=\"2\">t(mm)<\/th>\n<th rowspan=\"3\">(b x h)<\/th>\n<\/tr>\n<tr>\n<th rowspan=\"2\">Over ~ To<\/th>\n<th>Mark<\/th>\n<th>No Mark<\/th>\n<th>H<\/th>\n<th>J<\/th>\n<th rowspan=\"2\">Size<\/th>\n<th rowspan=\"2\">Tolerance<\/th>\n<\/tr>\n<tr>\n<th>Size<\/th>\n<th>Tolerance(E9)<\/th>\n<th>Tolerance(H9)<\/th>\n<th>Tolerance(Js9)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>\u00d86(over) ~ \u00d88<\/th>\n<td>2<\/td>\n<td rowspan=\"2\">+0.039 <br \/> +0.014<\/td>\n<td rowspan=\"2\">+0.025 <br \/> 0<\/td>\n<td rowspan=\"2\">\u00b10.0125<\/td>\n<td>1<\/td>\n<td rowspan=\"6\">+0.1 <br \/> 0<\/td>\n<td>2 x 2<\/td>\n<\/tr>\n<tr>\n<th>\u00d88 ~ \u00d810<\/th>\n<td>3<\/td>\n<td>1.4<\/td>\n<td>3 x 3<\/td>\n<\/tr>\n<tr>\n<th>\u00d810 ~ \u00d812<\/th>\n<td>4<\/td>\n<td rowspan=\"3\">+0.05 <br \/> +0.02<\/td>\n<td rowspan=\"3\">+0.03 <br \/> 0 <\/td>\n<td rowspan=\"3\">\u00b10.015<\/td>\n<td>1.8<\/td>\n<td>4 x 4<\/td>\n<\/tr>\n<tr>\n<th>\u00d812 ~ \u00d817 <\/th>\n<td>5<\/td>\n<td>2.3<\/td>\n<td>5 x 5<\/td>\n<\/tr>\n<tr>\n<th>\u00d817 ~ \u00d822 <\/th>\n<td>6<\/td>\n<td>2.8<\/td>\n<td>6 x 6<\/td>\n<\/tr>\n<tr>\n<th>\u00d822 ~ \u00d830<\/th>\n<td>8<\/td>\n<td rowspan=\"2\">+0.061 <br \/> +0.025<\/td>\n<td rowspan=\"2\">+0.036 <br \/> 0<\/td>\n<td rowspan=\"2\">\u00b10.018 <\/td>\n<td rowspan=\"3\">3.3 <\/td>\n<td>8 x 7<\/td>\n<\/tr>\n<tr>\n<th>\u00d830 ~ \u00d838 <\/th>\n<td>10<\/td>\n<td rowspan=\"7\">+0.2 <br \/> 0<\/td>\n<td>10 x 8<\/td>\n<\/tr>\n<tr>\n<th>\u00d838 ~ \u00d844<\/th>\n<td>12<\/td>\n<td rowspan=\"4\">+0.075 <br \/> +0.032<\/td>\n<td rowspan=\"4\">+0.043 <br \/> 0<\/td>\n<td rowspan=\"4\">\u00b10.0215<\/td>\n<td>12 x 8<\/td>\n<\/tr>\n<tr>\n<th>\u00d844 ~ \u00d850<\/th>\n<td>14<\/td>\n<td>3.8 <\/td>\n<td>14 x 9<\/td>\n<\/tr>\n<tr>\n<th>\u00d850 ~ \u00d858<\/th>\n<td>16<\/td>\n<td>4.3<\/td>\n<td>16 x 10<\/td>\n<\/tr>\n<tr>\n<th>\u00d858 ~ \u00d865 <\/th>\n<td>18<\/td>\n<td>4.4<\/td>\n<td>18 x 11<\/td>\n<\/tr>\n<tr>\n<th>\u00d865 ~ \u00d875 <\/th>\n<td>20<\/td>\n<td rowspan=\"2\">+0.092 <br \/> +0.04<\/td>\n<td rowspan=\"2\">+0.052 <br \/> 0<\/td>\n<td rowspan=\"2\">\u00b10.026<\/td>\n<td>4.9<\/td>\n<td>20 x 12<\/td>\n<\/tr>\n<tr>\n<th>\u00d875 ~ \u00d885 <\/th>\n<td>22<\/td>\n<td>5.4<\/td>\n<td>22 x 14<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"kchimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img1.jpg\" \/><\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-6\"><div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>The location of keyway on a coupling hub is determined by the standard product design of Sung-il Machinery. If you need a keyway in a different location, please discuss with our Customer Support team in advance.<\/li>\n<li>The standard keyway tolerance is E9, which is the most suitable option in terms of the assembly convenience.<\/li>\n<li>If a specific keyway tolerance is required for a special case, please choose the code from the table and mention it on the PO. (Please refer to \u201cHow to order\u201d below)<\/li>\n<li>Keyways can be applied on the following clamping methods of couplings.<\/li>\n<\/ul>\n<div><sub>\u203b exception 1: SFC series \u2013 Structurally impossible to have keyway<\/sub><br \/>\n<sub>\u203b exception 2: SAD series &#8211; Due to structural interference (increased number of assembly holes), we ask you to check with our customer support team for availability in advance. <\/sub><\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-7\"><div class=\"ref\">\n<h4>\u203b HOW TO ORDER<\/h4>\n<div class=\"refwrap2\">\n<div class=\"ref2left\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img2.jpg\"><\/div>\n<div class=\"ref2right\">\n<div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Please indicate K(b=width) next to ID(d<sub>1<\/sub>)<\/li>\n<li>In general, t(depth) of a keyway is automatically determined by b(width). However if a keyway with special dimension is required, please discuss with our Customer Support team in advance. (For example, K3 will be provided with b(3mm) &#038; t(1.4mm) unless there is a special remark.)<\/li>\n<li class=\"mimitable\">Keyway Tolerance<br \/>\n<table class=\"type2\">\n<thead>\n<tr>\n<th>Mark<\/th>\n<th>No Mark<\/th>\n<th>H<\/th>\n<th>J<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Tolerance<\/th>\n<td>E9<\/td>\n<td>H9<\/td>\n<td>Js9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:15px;width:100%;\" id=\"spacebar\"><\/div><div class=\"fusion-text fusion-text-8\"><div class=\"certitle\">\n<h3>Non-standard Inner Diameter (ID) Available<\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-9\"><div class=\"installcasewrap\">\n<div class=\"case case1\">\n<h5>Case 1 : Non-standard Inner Diameter(ID) Re-boring : Between standard min. ID and standard max. ID<\/h5>\n<div class=\"table-1 nidatable\">\n<table class=\"type1\">\n<thead>\n<tr>\n<th rowspan=\"2\">Model<\/th>\n<th colspan=\"23\">Standard Inner Diameter (d<sub>1<\/sub>, d<sub>2<\/sub>) (mm)<\/th>\n<\/tr>\n<tr>\n<th>10<\/th>\n<th>11<\/th>\n<th>12<\/th>\n<th>12.7<\/th>\n<th>14<\/th>\n<th>15<\/th>\n<th>15.875<\/th>\n<th>16<\/th>\n<th>17<\/th>\n<th>18<\/th>\n<th>19<\/th>\n<th>20<\/th>\n<th>22<\/th>\n<th>24<\/th>\n<th>25<\/th>\n<th>26<\/th>\n<th>28<\/th>\n<th>30<\/th>\n<th>32<\/th>\n<th>35<\/th>\n<th>40<\/th>\n<th>45<\/th>\n<th>50<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>SDCS-54C<\/th>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<th>SDCS-64C<\/th>\n<td><\/td>\n<td><\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf\u2605<\/td>\n<td>\u25cf\u2605<\/td>\n<td>\u25cf\u2605<\/td>\n<td>\u25cf\u2605<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<th>SDS-80C<\/th>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td>\u25cf<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Any Integer Inner Diameter(ID) between standard min. ID and standard max. ID could be provided even they are not indicated on the standard ID table.<br \/>\n(\u203b Exception Item: SDS-12C, SDWA-12C, SOH-6, SOH-8, SOH-10, SOH-12, SRB-8, all sizes of SFC)<\/li>\n<li>For example, ID:\u00d827 on SDCS-64C is available as \u00d827 is within the range between \u00d812(min.) and \u00d832(max.)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-10\"><div class=\"installcasewrap\">\n<div class=\"case case1\">\n<h5>Case 2 : Non-standard Inner Diameter(ID) Re-boring : Smaller than standard min.ID and bigger than standard max.ID<\/h5>\n<div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>We Sung-il team will always try our best to supply goods at the customer\u2019s best convenience. Please firstly ask our Customer Support team to check whether it is structurally possible.<\/li>\n<li>In the case of non-standard ID bigger than max.ID, please be aware that durability would get decreased from the ordinary performance of coupling.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-11\"><div class=\"installcasewrap\">\n<div class=\"case case3\">\n<h5>Case 3 : Special tolerance for Inner Diameter<\/h5>\n<div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Please ask our Customer Support team to check if you require a special(customized) bore tolerance for coupling.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-12\"><div class=\"certitle\">\n<h3>Additional Tapped-holes Parts<\/h3>\n<\/div>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-13\"><div class=\"selfimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img3.jpg\"><\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-14\"><div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Sung-il Machinery provides additional tapped holes on coupling hubs upon the request.<\/li>\n<li>This additional tapped holes are usually requested when there are keyway used on a coupling.<\/li>\n<li>For this service, please contact Sung-il Customer Service team prior to firm order placement, in order to discuss accurate location of the tapped hole and the screw thread.\n<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:15px;width:100%;\" id=\"spacebar\"><\/div><div class=\"fusion-text fusion-text-15\"><div class=\"certitle\">\n<h3>Parts with Alternative Material Options<\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-16\"><div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Sung-il Machinery provides alternative material options for Coupling parts.<br \/>\n(FAS screws: to fasten a shaft into a coupling &#038; ASS screws: to assemble a coupling itself)<br \/>\n1) Stainless Steel (STS304)<br \/>\n2) SCM435 with surface treatment -Electroless Nickel Plating<\/li>\n<li>Caution: Slip torque would become lower if the body material or surface treatment of screws are changed from the standard (SCM435, Black Oxide) version.<\/li>\n<\/ul>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-17\"><div class=\"installcasewrap\">\n<div class=\"case case1\">\n<h5>Case 1 : Stainless Steel<\/h5>\n<div class=\"pamowrap\">\n<div class=\"pamoimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img4.jpg\"><\/div>\n<div class=\"pamotxt\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img5.jpg\"><\/p>\n<ul>\n<li>Standard : SCM435 (Black Oxide)<\/li>\n<li>Option(1) : STS304 (Stainless Steel)\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-18\"><div class=\"installcasewrap\">\n<div class=\"case case2\">\n<h5>Case 2 : Surface treatment &#8211; Electroless Nickel Plating<\/h5>\n<div class=\"pamowrap\">\n<div class=\"pamoimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img6.jpg\" \/><\/div>\n<div class=\"pamotxt\">\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img7.jpg\" \/><\/p>\n<ul>\n<li>Standard : SCM435 (Black Oxide)<\/li>\n<li>Option(2) : SCM435<br \/>\n(with surface treatment -Electroless Nickel Plating)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-19\"><div class=\"ref ref1\">\n<h4>\u203b Standard Product Models with the Parts made of Stainless Steel or Electroless Nickel Plating<\/h4>\n<div class=\"table-1 nplattable\">\n<table class=\"type2\">\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Size (OD)<\/th>\n<th>Body Material<\/th>\n<th>Surface Treatment<\/th>\n<th>Screws<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>SRBS<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>&#8211;<\/td>\n<td>STS304<\/td>\n<\/tr>\n<tr>\n<th>SRBMS<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>&#8211;<\/td>\n<td>STS304<\/td>\n<\/tr>\n<tr>\n<th>SDSS<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>Electropolishing<\/td>\n<td>STS304<\/td>\n<\/tr>\n<tr>\n<th>SDWS<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>Electropolishing<\/td>\n<td>STS304<\/td>\n<\/tr>\n<tr>\n<th>SHDS-NI<\/th>\n<td>126, 144<\/td>\n<td>Steel<\/td>\n<td>Electroless Nickel Plating<\/td>\n<td>SCM435 (Electroless Nickel Plating)<\/td>\n<\/tr>\n<tr>\n<th>SHDW-NI<\/th>\n<td>126, 144<\/td>\n<td>Steel<\/td>\n<td>Electroless Nickel Plating<\/td>\n<td>SCM435 (Electroless Nickel Plating)<\/td>\n<\/tr>\n<tr>\n<th>SJC<\/th>\n<td>120, 135, 160<\/td>\n<td>Steel<\/td>\n<td>Electroless Nickel Plating<\/td>\n<td>SCM435 (Electroless Nickel Plating)<\/td>\n<\/tr>\n<tr>\n<th>SOHMP<\/th>\n<td>All Sizes<\/td>\n<td>High Strength Aluminum Alloy<\/td>\n<td>&#8211;<\/td>\n<td>STS304 <\/td>\n<\/tr>\n<tr>\n<th>SOHSV<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>Electropolishing<\/td>\n<td>STS304 <\/td>\n<\/tr>\n<tr>\n<th>SRGS<\/th>\n<td>All Sizes<\/td>\n<td>Stainless Steel<\/td>\n<td>&#8211;<\/td>\n<td>STS304 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-20\"><div class=\"certitle\">\n<h3>Side-clamp Hub Split Option<\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-21\"><div class=\"selfguid2red envul\">\n<ul class=\"has-l-style\">\n<li>Side-clamp Hub Split Option is available for certain sizes<\/li>\n<li>Please refer to the below table to check the coupling types which this option is available, and you can refer to \u201cHOW TO ORDER\u201d and \u201cDimensions \/ Performance\u201d tables for more specific information.\n<\/li>\n<\/ul>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-22\"><div class=\"table-1 cottable\">\n<table class=\"type1\">\n<thead>\n<tr>\n<th colspan=\"11\">Coupling types<\/th>\n<\/tr>\n<tr>\n<th>SHR<\/th>\n<th>SD<\/th>\n<th>SAD<\/th>\n<th>SHD<\/th>\n<th>SCD<\/th>\n<th>SJC<\/th>\n<th>SOH<\/th>\n<th>SRB<\/th>\n<th>SRG<\/th>\n<th>SCJ<\/th>\n<th>SFC<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>High performance Rubber<\/td>\n<td>Disk<\/td>\n<td>Advanced Disk<\/td>\n<td>High Torque Disk<\/td>\n<td>Concentricity Disk<\/td>\n<td>Jaw<\/td>\n<td>Oldham<\/td>\n<td>Radial Beam<\/td>\n<td>Rigid<\/td>\n<td>Cross Joint<\/td>\n<td>Urethane Flexible<\/td>\n<\/tr>\n<tr>\n<td>O<\/td>\n<td>\u25b3<\/td>\n<td>X<\/td>\n<td>O<\/td>\n<td>X<\/td>\n<td>\u25b3<\/td>\n<td>\u25b3<\/td>\n<td>X<\/td>\n<td>O<\/td>\n<td>X<\/td>\n<td>X<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablesotxt\">\u203b \u25b3 symbol in the above table means that the availability is subject to differ according to each outer diameter size.<\/p>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-23\"><div class=\"normalimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling4_img8.jpg\">\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":917,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-991","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/comments?post=991"}],"version-history":[{"count":18,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/991\/revisions"}],"predecessor-version":[{"id":9329,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/991\/revisions\/9329"}],"up":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/917"}],"wp:attachment":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/media?parent=991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}