{"id":170356,"date":"2026-09-08T12:37:51","date_gmt":"2026-09-08T07:07:51","guid":{"rendered":"https:\/\/stitchpartner.com\/?post_type=product&#038;p=170356"},"modified":"2026-09-08T12:37:52","modified_gmt":"2026-09-08T07:07:52","slug":"30313019-30313020-thread-guide-set-jack-w4","status":"publish","type":"product","link":"https:\/\/stitchpartner.com\/hi\/product\/30313019-30313020-thread-guide-set-jack-w4\/","title":{"rendered":"30313019 30313020 Thread Guide Set for Jack W4"},"content":{"rendered":"<p class=\"isSelectedEnd\">The <strong>30313019 &amp; 30313020 Thread Guide Assembly Set<\/strong> is made for multi-needle interlock and coverstitch machines that need smooth, organized thread routing on both sides of the thread path. The matching left and right guides help maintain consistent thread movement for high-speed stitching on T-shirts, activewear, fleece, underwear, and other stretch garments.<\/p>\n<h3>\u092a\u094d\u0930\u092e\u0941\u0916 \u0935\u093f\u0936\u0947\u0937\u0924\u093e\u0910\u0902<\/h3>\n<ul data-spread=\"false\">\n<li><strong>Matching Left &amp; Right Guides:<\/strong> Includes one left thread guide and one right thread guide for balanced thread routing.<\/li>\n<li><strong>Smooth Thread Passages:<\/strong> Finished thread-guide eyelets allow thread to pass smoothly through the guide during continuous sewing.<\/li>\n<li><strong>Durable Metal Construction:<\/strong> Designed to withstand repeated thread contact and regular industrial machine operation.<\/li>\n<li><strong>Balanced Thread Routing:<\/strong> Matching guide positions help organize multiple thread paths on multi-needle machines.<\/li>\n<li><strong>Direct Replacement Design:<\/strong> Suitable for replacing worn, bent, or damaged thread guides using the same part-number specification.<\/li>\n<li><strong>Complete Set:<\/strong> Supplied as 1 left + 1 right thread guide.<\/li>\n<\/ul>\n<h2>\u0909\u092a\u092f\u094b\u0917 \u0915\u0947 \u092e\u093e\u092e\u0932\u0947<\/h2>\n<p class=\"isSelectedEnd\">They are suitable for:<\/p>\n<ul data-spread=\"false\">\n<li>\u091f\u0940-\u0936\u0930\u094d\u091f \u0909\u0924\u094d\u092a\u093e\u0926\u0928<\/li>\n<li>Activewear manufacturing<\/li>\n<li>\u0916\u0947\u0932\u094b\u0902<\/li>\n<li>Underwear<\/li>\n<li>Fleece garments<\/li>\n<li>Stretch knitwear<\/li>\n<li>Coverstitch operations<\/li>\n<li>Flatbed interlock sewing<\/li>\n<li>Multi-needle industrial sewing<\/li>\n<\/ul>\n<h2>\u092b\u093c\u093e\u092f\u0926\u0947<\/h2>\n<h3>Organized Multi-Thread Routing<\/h3>\n<p class=\"isSelectedEnd\">The left and right guides keep multiple thread lines routed through their intended paths, helping prevent unnecessary crossing or interference between threads<\/p>\n<h2>\u092e\u0936\u0940\u0928 \u0905\u0928\u0941\u0915\u0942\u0932\u0924\u093e<\/h2>\n<p class=\"isSelectedEnd\">This thread guide set is specified for compatible Jack multi-needle interlock and coverstitch machines:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Machine \/ Series<\/th>\n<th>\u0905\u0928\u0941\u0915\u0942\u0932\u0924\u093e<\/th>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/stitchpartner.com\/hi\/product-category\/jack-sewing-machine-spare-parts\/w4-spare-parts\/\">Jack W4<\/a><\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>\u091c\u0948\u0915 W4-D<\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>\u091c\u0948\u0915 W4-UT<\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>\u091c\u0948\u0915 \u0938\u09404<\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>Jack C5<\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>\u091c\u0948\u0915 K4<\/td>\n<td>\u0905\u0928\u0941\u0915\u0942\u0932<\/td>\n<\/tr>\n<tr>\n<td>Siruba Multi-Needle Interlock<\/td>\n<td>Compatible where matching guide specification is used<\/td>\n<\/tr>\n<tr>\n<td>Pegasus Multi-Needle Interlock<\/td>\n<td>Compatible where matching guide specification is used<\/td>\n<\/tr>\n<tr>\n<td>Zoje Multi-Needle Interlock<\/td>\n<td>Compatible where matching guide specification is used<\/td>\n<\/tr>\n<tr>\n<td>Standard Jack-Style Coverstitch<\/td>\n<td>Compatible where part specification matches<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"isSelectedEnd\"><strong>Part Numbers:<\/strong> 30313019 \u2013 Left \/ 30313020 \u2013 Right<\/p>\n<h2>\u0935\u093f\u0936\u0947\u0937 \u0935\u093f\u0935\u0930\u0923<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0935\u093f\u0928\u093f\u0930\u094d\u0926\u0947\u0936<\/th>\n<th>\u0935\u093f\u0935\u0930\u0923<\/th>\n<\/tr>\n<tr>\n<td>\u0909\u0924\u094d\u092a\u093e\u0926 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td>Thread Guide Assembly Set<\/td>\n<\/tr>\n<tr>\n<td>Left Guide<\/td>\n<td>30313019<\/td>\n<\/tr>\n<tr>\n<td>Right Guide<\/td>\n<td>30313020<\/td>\n<\/tr>\n<tr>\n<td>\u092e\u0936\u0940\u0928 \u0915\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/td>\n<td>Industrial Interlock \/ Coverstitch<\/td>\n<\/tr>\n<tr>\n<td>Guide Quantity<\/td>\n<td>2 Pieces<\/td>\n<\/tr>\n<tr>\n<td>Set Configuration<\/td>\n<td>1 Left + 1 Right<\/td>\n<\/tr>\n<tr>\n<td>\u0938\u092e\u093e\u0930\u094b\u0939<\/td>\n<td>Multi-Thread Routing<\/td>\n<\/tr>\n<tr>\n<td>\u0928\u093f\u0930\u094d\u092e\u093e\u0923<\/td>\n<td>Metal Thread Guide<\/td>\n<\/tr>\n<tr>\n<td>\u0906\u0935\u0947\u0926\u0928<\/td>\n<td>Knit &amp; Woven Garments<\/td>\n<\/tr>\n<tr>\n<td>Machine Application<\/td>\n<td>Flatbed \/ Cylinder-Bed Interlock &amp; Coverstitch<\/td>\n<\/tr>\n<tr>\n<td>\u092a\u0948\u0915 \u092e\u093e\u0924\u094d\u0930\u093e<\/td>\n<td>1 Set<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0948\u0938\u0947 \u0915\u0930\u0947\u0902<\/h2>\n<p class=\"isSelectedEnd\"><strong>First<\/strong>, switch off and unplug the sewing machine before accessing the thread-guide assembly.<\/p>\n<p class=\"isSelectedEnd\"><strong>Next<\/strong>, note the existing thread path and identify the left and right guide positions before removing the old components.<\/p>\n<p class=\"isSelectedEnd\"><strong>Then<\/strong>, install <strong>30313019 on the left side and 30313020 on the right side<\/strong>, positioning the guides according to the original machine thread path and securing their mounting screws.<\/p>\n<p class=\"isSelectedEnd\"><strong>Finally<\/strong>, route the threads through the appropriate guide eyelets, rotate the machine manually to check for smooth thread movement, and perform a low-speed sewing test before returning to normal production.<\/p>\n<h2>\u092a\u0942\u091b\u0947 \u091c\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u092a\u094d\u0930\u0936\u094d\u0928<\/h2>\n<h3>What is included in the 30313019 and 30313020 thread guide set?<\/h3>\n<p class=\"isSelectedEnd\">The set contains <strong>two thread guides: one 30313019 left-hand guide and one 30313020 right-hand guide<\/strong>.<\/p>\n<h3>What do these thread guides do?<\/h3>\n<p class=\"isSelectedEnd\">These guides control the route taken by sewing threads as they travel toward the needle and looper areas.<\/p>\n<h3>Is 30313019 the left or right thread guide?<\/h3>\n<p class=\"isSelectedEnd\">while <strong>30313020 is the right thread guide<\/strong> according to the supplied product specification. Install each guide on its corresponding side and follow the original machine&#8217;s thread-routing arrangement.<\/p>\n<h3>Are these thread guides compatible with Jack W4 machines?<\/h3>\n<p class=\"isSelectedEnd\">Yes. The set is specified for <strong>Jack W4, W4-D and W4-UT<\/strong> coverstitch\/interlock configurations, along with the listed C4, C5 and K4 series.<\/p>\n<h3>What happens if a thread guide is bent or damaged?<\/h3>\n<p class=\"isSelectedEnd\">A bent guide can change the intended thread path and create additional contact between the thread and metal surfaces. This may contribute to inconsistent thread movement, fraying, or thread breaks.<\/p>\n<p class=\"isSelectedEnd\">\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>30313019 &amp; 30313020 left and right thread guide assembly set for compatible Jack W4-series interlock and coverstitch machines. Designed for organized multi-thread routing and smooth thread movement. Pack of 1 set.<\/p>","protected":false},"featured_media":170562,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"30313019 30313020 thread guide set","_yoast_wpseo_title":"30313019 30313020 Thread Guide Set for Jack W4 %%page%% %%sep%% %%sitename%%","_yoast_wpseo_metadesc":"Buy 30313019 & 30313020 thread guide set for Jack W4 interlock and coverstitch machines. Left and right guides, pack of 1 set.","_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_bctitle":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"30313019 30313020 Thread Guide Set | Jack W4","_yoast_wpseo_opengraph-description":"Left and right 30313019 & 30313020 thread guide assembly set for compatible Jack W4 interlock and coverstitch machines. Pack of 1 set.","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":""},"product_brand":[967],"product_cat":[765,933],"product_tag":[3466,3467,3476,3471,3477,3475,3470,2494,3473,3474,3469,3468,3472],"class_list":["post-170356","product","type-product","status-publish","has-post-thumbnail","product_brand-jack","product_cat-jack-sewing-machine-spare-parts","product_cat-w4-spare-parts","product_tag-30313019-thread-guide","product_tag-30313020-thread-guide","product_tag-coverstitch-machine-spare-parts","product_tag-coverstitch-thread-guide","product_tag-industrial-thread-guide","product_tag-interlock-machine-parts","product_tag-interlock-thread-guide","product_tag-jack-c4-spare-parts","product_tag-jack-c5-spare-parts","product_tag-jack-k4-spare-parts","product_tag-jack-w4-spare-parts","product_tag-jack-w4-thread-guide","product_tag-thread-guide-assembly","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>30313019 30313020 Thread Guide Set for Jack W4 - Stitch Partner<\/title>\n<meta name=\"description\" content=\"Buy 30313019 &amp; 30313020 thread guide set for Jack W4 interlock and coverstitch machines. 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