{"product_id":"heli-coil-535-18-thread-insert-hand-installation-tool-1-1-8-12-unf","title":"Heli-coil 535-18 Thread Insert Hand Installation Tool 1-1\/8-12 Unf","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HELI-COIL 535-18 is a hand installation tool designed for installing thread inserts into 1-1\/8 - 12 UNF threaded bores. It uses a Type IV Non-Captive Prewinder mechanism, which winds the coil insert onto the prewinder mandrel before driving it into the prepared hole. The tool features a spinner diameter of 2 inches and a prewinder length of 3-1\/16 inches. It is intended for bench or field use by machinists, maintenance technicians, and mechanical tradespeople working with HELI-COIL thread repair and thread reinforcement applications. No power source is required  -  this is a fully manual hand tool.\u003c\/p\u003e\n\u003cp\u003eThis tool is used wherever 1-1\/8 - 12 UNF thread inserts must be installed by hand. Typical applications include heavy equipment repair, industrial maintenance, and precision assembly work where thread integrity in metal components must be restored or reinforced. The prewinder design allows controlled, accurate seating of the insert without damaging the host bore. It is well suited for low-volume or field repair scenarios where a power installation tool is not practical or available.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eType IV Non-Captive Prewinder mechanism for controlled insert loading and installation\u003c\/li\u003e\n  \u003cli\u003eSized for 1-1\/8 - 12 UNF thread inserts\u003c\/li\u003e\n  \u003cli\u003eSpinner diameter of 2 inches for positive manual grip and torque\u003c\/li\u003e\n  \u003cli\u003ePrewinder length of 3-1\/16 inches for adequate insert engagement depth\u003c\/li\u003e\n  \u003cli\u003eFully manual hand operation  -  no power tools or pneumatics required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with HELI-COIL thread inserts in the 1-1\/8 - 12 UNF size. Compatible with Type IV Non-Captive Prewinder installation procedures for that thread specification.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or mechanical technician familiar with thread insert procedures. Ensure the host bore has been properly tapped to the correct HELI-COIL tap size before using this tool. Wind the insert onto the prewinder mandrel before inserting into the bore, and apply steady, even hand pressure to seat the insert to the correct depth. Do not use impact drivers or power tools with this hand installation tool.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Type\u003c\/strong\u003e: Hand Installation Tool, Prewinder Type IV Non-Captive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1-1\/8 - 12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpinner Diameter\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrewinder Length\u003c\/strong\u003e: 3-1\/16 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HELI-COIL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 535-18\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HELI-COIL","offers":[{"title":"Default Title","offer_id":51994142802226,"sku":"535-18","price":538.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4b7e862edc42e589d0d6bcfa11e045be.jpg?v=1789991697","url":"https:\/\/voomisupply.com\/products\/heli-coil-535-18-thread-insert-hand-installation-tool-1-1-8-12-unf","provider":"Voomi Supply","version":"1.0","type":"link"}