{"product_id":"replacement-shuttle-hook-for-singer-31-class-industrial-part-12393","title":"Replacement Shuttle Hook for Singer 31 Class Industrial - Part # 12393","description":"\u003cp\u003eThis replacement shuttle hook (part # 12393) is specifically designed for high-speed industrial and heavy-duty sewing machines. The shuttle hook is a critical component that catches the needle thread and wraps it around the bobbin thread to form each stitch. This precision-engineered part ensures reliable stitch formation and smooth operation on industrial lockstitch machines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 12393\u003c\/li\u003e\n\u003cli\u003eType: Replacement \u003c\/li\u003e\n\u003cli\u003eApplication: High-speed industrial and heavy-duty machines\u003c\/li\u003e\n\u003cli\u003eFunction: Catches needle thread and forms stitches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMachine Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSinger Models:\u003c\/strong\u003e 31 Class (including 31-15, 31-17, 31-18, 31-19, 31-29), 331K, 44 Class, 78, 431D\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther Brands:\u003c\/strong\u003e Consew 30 Class, Necchi (500, 510, 600 series), Adler (37), Alfa (157)\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe shuttle hook rotates to catch the needle thread loop and wrap it around the bobbin thread, forming the lockstitch. A properly functioning hook ensures consistent stitch quality, prevents skipped stitches, and maintains smooth high-speed operation. Replace when worn, damaged, or if experiencing timing issues or thread problems.\u003c\/p\u003e","brand":"PD Sixty","offers":[{"title":"Default Title","offer_id":40748038258786,"sku":"12393","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/IMG_7842-Photoroom.jpg?v=1759458248","url":"https:\/\/www.vintagesingerparts.com\/en-ca\/products\/replacement-shuttle-hook-for-singer-31-class-industrial-part-12393","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}