{"product_id":"zsk-hook-assy-w-bobbin-case","title":"ZSK Hook Assy W\/Bobbin Case","description":"\u003csection class=\"spsi-product-copy\" aria-label=\"Product Description\"\u003e\n  \u003cdiv class=\"spsi-product-card\"\u003e\n\n    \u003ch2 class=\"spsi-title\"\u003eGenuine ZSK rotary hook assembly with bobbin case for commercial embroidery machines\u003c\/h2\u003e\n    \u003cp class=\"spsi-subtitle\"\u003e\u003cstrong\u003eCharacteristics\u003c\/strong\u003e\u003c\/p\u003e\n\n    \u003cdiv class=\"spsi-block\"\u003e\n      \u003cp\u003eThe ZSK Hook Assembly with Bobbin Case is a genuine OEM rotary hook unit for ZSK multi-head embroidery machines. The rotary hook is the core stitch-forming mechanism — it catches the upper thread loop from the needle and passes it around the bobbin case to form each stitch. This assembly includes both the hook body and a matched bobbin case.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"spsi-block\"\u003e\n      \u003cp\u003eThe hook assembly is one of the most critical components in any embroidery machine. A worn or damaged hook can cause thread breakage, skipped stitches, and poor loop formation. Replacing the complete assembly with a genuine ZSK unit ensures proper fit, timing, and stitch quality.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003c!--\n    \u003cdiv class='spsi-block'\u003e\n      \u003cp\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n    --\u003e\n\n    \u003cdiv class=\"spsi-accordion\"\u003e\n\n      \u003c!-- Dropdown: Features --\u003e\n      \u003cdiv class=\"spsi-accordion-trigger\"\u003e\n        \u003cspan\u003eFeatures\u003c\/span\u003e\n        \u003cspan class=\"spsi-arrow\"\u003e▼\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spsi-accordion-content\"\u003e\n        \u003cul class=\"spsi-list\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eGenuine ZSK OEM Assembly\u003c\/strong\u003e\u003cbr\u003eManufactured to original factory specifications.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eComplete Unit\u003c\/strong\u003e\u003cbr\u003eIncludes rotary hook body and matched bobbin case.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eCore Stitch Formation\u003c\/strong\u003e\u003cbr\u003eThe primary mechanism for loop catching and stitch creation.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003ePrecision Engineered\u003c\/strong\u003e\u003cbr\u003eTight tolerances for reliable high-speed operation.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSmooth Thread Handling\u003c\/strong\u003e\u003cbr\u003ePolished surfaces reduce friction and thread breakage.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eDirect Replacement\u003c\/strong\u003e\u003cbr\u003eDrop-in fit for compatible ZSK embroidery machines.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- Dropdown: Specifications --\u003e\n      \u003cdiv class=\"spsi-accordion-trigger\"\u003e\n        \u003cspan\u003eSpecifications\u003c\/span\u003e\n        \u003cspan class=\"spsi-arrow\"\u003e▼\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spsi-accordion-content\"\u003e\n        \u003cdiv class=\"spsi-specs-table\"\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003ePart Number\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003e573-203\u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003eType\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003eRotary hook assembly with bobbin case\u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003eFunction\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003eStitch formation — catches upper thread loop and forms stitches\u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003eCompatibility\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003eZSK multi-head embroidery machines\u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003eIncludes\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003eHook body and bobbin case\u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"spsi-specs-row\"\u003e\n            \u003cdiv class=\"spsi-specs-label\"\u003eOEM Status\u003c\/div\u003e\n            \u003cdiv class=\"spsi-specs-value\"\u003eGenuine ZSK assembly\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- Dropdown: Usage Tips --\u003e\n      \u003cdiv class=\"spsi-accordion-trigger\"\u003e\n        \u003cspan\u003eUsage Tips\u003c\/span\u003e\n        \u003cspan class=\"spsi-arrow\"\u003e▼\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"spsi-accordion-content\"\u003e\n        \u003cul class=\"spsi-list\"\u003e\n          \u003cli\u003eHook timing must be set correctly after installation — refer to your ZSK service manual.\u003c\/li\u003e\n          \u003cli\u003eInspect the hook point regularly for burrs or damage that can cause thread breakage.\u003c\/li\u003e\n          \u003cli\u003eClean lint and debris from the hook area during routine maintenance.\u003c\/li\u003e\n          \u003cli\u003eIf replacing the hook due to timing issues, also inspect the needle bar height and needle position.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- Dropdown: Data Sheets --\u003e\n      \u003c!--\n      \u003cdiv class='spsi-accordion-trigger'\u003e\n        \u003cspan\u003eData Sheets\u003c\/span\u003e\n        \u003cspan class='spsi-arrow'\u003e\u0026#9660;\u003c\/span\u003e\n      \u003c\/div\u003e\n      \u003cdiv class='spsi-accordion-content'\u003e\n        \u003cul class='spsi-datasheet-list'\u003e\n          \u003cli\u003e\n            \u003ca href='' target='_blank' rel='noopener' class='spsi-datasheet-link'\u003e\n              \u003cspan\u003e\u0026#128196;\u003c\/span\u003e ZSK Hook Assy W\/Bobbin Case Data Sheet\n            \u003c\/a\u003e\n          \u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      --\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"spsi-block spsi-parts-notice\"\u003e\n      \u003ch3\u003eImportant Parts Ordering Information\u003c\/h3\u003e\n      \u003cp\u003ePlease verify the part number and machine compatibility before completing your purchase. SPSI is not responsible for parts ordered incorrectly by the buyer.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eStock \u0026amp; Pricing\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul class=\"spsi-list\"\u003e\n        \u003cli\u003ePricing shown is based on current SPSI stock availability at the time of purchase.\u003c\/li\u003e\n        \u003cli\u003eParts placed on backorder may be subject to vendor availability and pricing changes.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eNeed Help Finding a Part?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eIf you do not see the part you are looking for, or would like assistance verifying the correct part for your machine, please contact our team at: \u003ca href=\"mailto:Parts@SPSI.com\"\u003eParts@SPSI.com\u003c\/a\u003e\u003c\/p\u003e\n      \u003cp\u003eWe are happy to help verify compatibility and assist with locating parts.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eReturns \u0026amp; Restocking\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul class=\"spsi-list\"\u003e\n        \u003cli\u003eReturned parts are subject to a 15% restocking fee.\u003c\/li\u003e\n        \u003cli\u003eCircuit boards, headboards, and print heads are non-returnable.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"spsi-brand-logo\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0513\/2635\/3588\/files\/Logo-ZSK.png?v=1777048828\" alt=\"ZSK Logo\"\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"spsi-footer\"\u003e\n      \u003cp\u003eFeel free to live chat with us if you have any questions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"ZSK (PARTS ONLY)Montagetechnik","offers":[{"title":"Default Title","offer_id":44264482078900,"sku":"ZSK-573-203","price":214.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0513\/2635\/3588\/files\/ZSK-573-203_Hook_assembly_with_bobbin_casing_20a3c071-4e01-4d78-b439-752fe017f111.png?v=1783627521","url":"https:\/\/spsi.com\/products\/zsk-hook-assy-w-bobbin-case","provider":"SPSI Inc.","version":"1.0","type":"link"}