{"product_id":"boneham-h166ec-press-fit-headed-drill-bushing-0-136-in-id","title":"Boneham H166EC Press Fit Headed Drill Bushing 0.136 in Id","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BONEHAM H166EC is a Type H press fit headed drill bushing designed to guide drill bits with precision in jig and fixture applications. It features an inside diameter of 0.136 inches (wire size No. 29) and a body outside diameter of 0.25 inches, with a length under head of 0.375 inches. Manufactured from steel with a hardness rating of 60 to 65 HRC, this bushing is built to withstand repeated drilling cycles without deforming. Machinists, toolmakers, and jig builders install this type of bushing directly into a drill jig plate using press fit installation, requiring no additional locking hardware.\u003c\/p\u003e\u003cp\u003eType H headed drill bushings are used in production drilling, reaming, and spotfacing operations where a shoulder is needed to seat the bushing flush against or slightly above the jig plate surface. The headed design prevents the bushing from being pushed through the plate under axial load. This bushing is suited for use in ferrous and non-ferrous workpiece applications where consistent hole location is critical. It is not a renewable bushing, making it appropriate for fixed, high-volume jig setups where the bushing remains permanently installed.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePress fit installation — no lock nut or liner bushing required\u003c\/li\u003e\n\u003cli\u003eInside diameter of 0.136 inches (No. 29 wire size) with tolerance of plus 0.0001 to plus 0.0004 inches\u003c\/li\u003e\n\u003cli\u003e60 to 65 HRC steel construction for extended wear life under repeated drill contact\u003c\/li\u003e\n\u003cli\u003eHead outside diameter of 0.359 inches (23\/64) with head height of 0.094 inches (3\/32)\u003c\/li\u003e\n\u003cli\u003eMeets ANSI standards for drill bushing geometry and tolerances\u003c\/li\u003e\n\u003cli\u003eNon-renewable design for permanent press fit jig plate installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-fit component for drill jigs and fixtures requiring a Type H press fit headed bushing per ANSI standards.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003ePress fit bushings are installed by toolmakers and machinist trades using an arbor press or hydraulic press — never hammer directly on the head, as this can crack or deform the bushing. The jig plate bore should be machined to the appropriate interference fit tolerance before installation. Verify inside diameter clearance against the intended drill or reamer before pressing in, as this is a non-renewable bushing and removal typically damages the bushing. Follow shop standard practices and ANSI B94.33 guidelines for drill bushing installation and jig design.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushing Type\u003c\/strong\u003e: Type H (Press Fit Headed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.136 inches (No. 29 Wire Size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter Tolerance\u003c\/strong\u003e: plus 0.0001 to plus 0.0004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Outside Diameter\u003c\/strong\u003e: 0.25 inches (1\/4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Outside Diameter\u003c\/strong\u003e: 0.359 inches (23\/64)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 0.375 inches (3\/8)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.094 inches (3\/32)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 60 to 65 HRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Method\u003c\/strong\u003e: Press Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenewable\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCounterbored\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BONEHAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: H166EC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BONEHAM","offers":[{"title":"Default Title","offer_id":51727274344754,"sku":"H166EC","price":23.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7a3df753bfacdecf7a1650e3bb823de6_25839408-1264-4b7d-b97c-5ebab7a411b6.jpg?v=1788675765","url":"https:\/\/voomisupply.com\/products\/boneham-h166ec-press-fit-headed-drill-bushing-0-136-in-id","provider":"Voomi Supply","version":"1.0","type":"link"}