{"product_id":"boneham-sf326iu-slip-fixed-drill-bushing-21-64-in-id","title":"Boneham SF326IU Slip-fixed Drill Bushing 21\/64 in Id","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BONEHAM SF326IU is a slip-fixed drill bushing designed to guide cutting tools with precision in jig and fixture applications. Built to ANSI standards, it features a 21\/64-inch inside diameter and a 1\/2-inch body outside diameter, with a 3\/8-inch length under the head and a 1\/4-inch head height. The bushing is manufactured from steel and hardened to 60 to 65 HRC, providing the wear resistance required for repeatable, high-tolerance drilling operations. It is a renewable bushing, meaning it can be replaced in the liner bushing without disturbing the jig plate. Installation uses an LS-1 compatible lock screw to secure the bushing in position.\u003c\/p\u003e\u003cp\u003eThis bushing is suited for tooling setups in production machining, fabrication, and maintenance environments where consistent hole location is critical. The SF-series slip-fixed design allows the bushing to be rotated into a locked position, making it practical for applications that require frequent bushing changes during multi-operation drilling, reaming, or boring sequences. Machinists, tool and die makers, and fixture builders working in both job shop and production settings rely on this style of bushing for repeatable accuracy across high-volume runs.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHardened steel construction at 60 to 65 HRC for extended wear life in drill jig applications\u003c\/li\u003e\n\u003cli\u003e21\/64-inch inside diameter with a tolerance of +0.0001 to +0.0005 inches for precise tool guidance\u003c\/li\u003e\n\u003cli\u003eRenewable bushing design allows in-place replacement without removing the liner bushing\u003c\/li\u003e\n\u003cli\u003eLS-1 compatible lock screw secures the bushing against rotation during operation\u003c\/li\u003e\n\u003cli\u003eHead outside diameter of 51\/64 inches with a 1\/4-inch head height for positive seating against the jig plate\u003c\/li\u003e\n\u003cli\u003eMeets ANSI standards for drill bushing dimensions and tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation slip-fixed drill bushing for use with standard ANSI liner bushings and LS-1 series lock screws in drill jig and fixture assemblies.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eSlip-fixed bushings are installed and removed by rotating to align or disengage the lock screw, which should be in place before drilling begins to prevent bushing rotation under load. Ensure the mating liner bushing and jig plate are clean and free of chips before seating the bushing. This work is typically performed by machinists or tool and die makers using standard hand tools. Always follow applicable shop safety procedures and equipment lockout protocols when working on powered fixtures or drill press setups.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushing Industry Code\u003c\/strong\u003e: SF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Method\u003c\/strong\u003e: Slip-Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 21\/64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter Tolerance\u003c\/strong\u003e: +0.0001 to +0.0005 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Outside Diameter\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Outside Diameter\u003c\/strong\u003e: 51\/64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style\u003c\/strong\u003e: Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCounterbored\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenewable Bushing\u003c\/strong\u003e: Yes\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\u003eLock Screw Compatibility\u003c\/strong\u003e: LS-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: SF326IU\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BONEHAM","offers":[{"title":"Default Title","offer_id":51751066894642,"sku":"SF326IU","price":21.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d089b0a7b36c5d4ca8f716b32e5b0d8a_cd4ea5ba-3810-43d3-8e30-4de02d080aea.jpg?v=1788921478","url":"https:\/\/voomisupply.com\/products\/boneham-sf326iu-slip-fixed-drill-bushing-21-64-in-id","provider":"Voomi Supply","version":"1.0","type":"link"}