{"product_id":"9-64-x-12-cobalt-aircraft-extension-drill-bit_glbcox129-64","title":"9\/64\" X 12\" Aircraft Extension Drill Bit | Cobalt | GLBCOX129\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 9\/64 in (0.1406 in)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 12 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e cobalt high-speed steel (HSS-Co)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e cobalt alloy\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e aircraft extension drill bit\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaged as:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eLong-reach design enables access to deep or hard-to-reach holes common in aircraft maintenance and metal fabrication.\u003c\/li\u003e \u003cli\u003eCobalt alloy provides enhanced heat resistance and wear life, preserving edge integrity when drilling tougher metals.\u003c\/li\u003e \u003cli\u003eWell-suited for repetitive drilling through hard alloys (e.g., stainless steel, titanium) where standard bits dull quickly.\u003c\/li\u003e \u003cli\u003eOne-piece construction minimizes misalignment and delivers reliable performance in extended-reach applications.\u003c\/li\u003e \u003cli\u003eBest used for metalworking tasks involving deep bore holes in aluminum, stainless steel, and other hard alloys.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 9\/64 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 12 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e cobalt high-speed steel (HSS-Co)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e cobalt alloy for enhanced heat resistance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaged as:\u003c\/strong\u003e 1 piece\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUsage note:\u003c\/strong\u003e Not intended for wood or soft plastics; verify chuck clearance to accommodate the 12\" length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312475631895,"sku":"GLBCOX129\/64","price":8.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/GLBCOX121-16_1db5c144-c3d5-4d87-9753-558a4619475c.jpg?v=1771708021","url":"https:\/\/mutualscrew.com\/products\/9-64-x-12-cobalt-aircraft-extension-drill-bit_glbcox129-64","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}