{"product_id":"39-64-hss-black-gold-drill-bit-with-reduced-3-8-3-flat-shank-kfd_kfdrsd3-8x39-64","title":"39\/64\" Reduced Shank Drill Bit | HSS Black \u0026 Gold | Reduced 3\/8\" 3-Flat Shank | KFDRSD3\/8X39\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 39\/64\" (0.609375\") cutting portion\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: Reduced 3\/8\" with 3-flat drive\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS (High-Speed Steel)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Black \u0026amp; Gold finish\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank design improves grip and torque transfer in standard chucks, reducing cam-out during heavy cuts.\u003c\/li\u003e \u003cli\u003eBlack \u0026amp; Gold coating delivers lower friction and increased wear resistance for repeated metal drilling.\u003c\/li\u003e \u003cli\u003eHSS core provides reliable performance when drilling through metals such as mild steel, cast iron, and certain aluminum alloys.\u003c\/li\u003e \u003cli\u003eLarge-diameter cutting portion (39\/64\") with a reduced 3\/8\" shank increases versatility for tasks that require a larger hole while using a common shank size.\u003c\/li\u003e \u003cli\u003eIdeal for metalworking projects requiring precise 39\/64\" holes; apply appropriate feeds and speeds for HSS drilling in metal.\u003c\/li\u003e \u003cli\u003eUse cases include fabrication, automotive maintenance, and shop tasks where a robust, single-piece drill bit is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBit diameter\u003c\/strong\u003e (cutting portion): 39\/64\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 3\/8\" (reduced) with 3-flat surfaces\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black \u0026amp; Gold coating\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: Not specified\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312698323223,"sku":"KFDRSD3\/8X39\/64","price":18.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_b33a9772-52f2-4cb5-933d-bc809f8de64a.jpg?v=1771715494","url":"https:\/\/mutualscrew.com\/products\/39-64-hss-black-gold-drill-bit-with-reduced-3-8-3-flat-shank-kfd_kfdrsd3-8x39-64","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}