{"title":"HSS Aircraft Extension Drill Bits","description":null,"products":[{"product_id":"1-16-x-12-hss-aircraft-extension-drill-bit-d-aa-c_d-aa-cx121-16","title":"1\/16\" X 12\" Aircraft Extension Drill Bit | HSS | D\/AA\/CX121\/16","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1\/16\" (0.0625\")\u003c\/li\u003e \u003cli\u003eOverall length: 12\"\u003c\/li\u003e \u003cli\u003eMaterial: HSS (High-Speed Steel)\u003c\/li\u003e \u003cli\u003eType: Aircraft Extension Drill Bit\u003c\/li\u003e \u003cli\u003eDesignation: D\/AA\/C\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExtended reach for drilling in recessed, confined, or hard-to-access spaces commonly encountered in aircraft maintenance and other tight-access workflows.\u003c\/li\u003e \u003cli\u003eHSS construction delivers durable wear resistance suitable for metal drilling tasks, enabling reliable small-diameter hole creation in aluminum, steel, and similar alloys.\u003c\/li\u003e \u003cli\u003eDesigned for drills and chucks that accept 1\/16\" diameter bits, enabling compatibility with compact tooling setups and portable field kits.\u003c\/li\u003e \u003cli\u003eCompact one-bit package fits neatly in field kits and workshop drawers, supporting quick replacements on-site or in the shop.\u003c\/li\u003e \u003cli\u003eClear designation (D\/AA\/C) to distinguish geometry or production line variant for specialized metalworking projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOverall length: 12\"\u003c\/li\u003e \u003cli\u003eDiameter: 1\/16\" (0.0625\")\u003c\/li\u003e \u003cli\u003eShank type: not specified\u003c\/li\u003e \u003cli\u003ePackaging: 1 piece per 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\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLong-reach design enables drilling in deep or tight spaces such as aircraft frames, engine bays, and automotive panels.\u003c\/li\u003e \u003cli\u003eHSS construction provides durability for metal drilling across steel, aluminum, and other alloys.\u003c\/li\u003e \u003cli\u003eExtension geometry helps maintain straightness and reduces flex in obstructed areas.\u003c\/li\u003e \u003cli\u003eVersatile for pilot holes and metalworking tasks in fabrication and maintenance projects.\u003c\/li\u003e \u003cli\u003eDesignated for extended reach workflows common in aerospace and automotive maintenance where access is restricted.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 5\/64 in\u003c\/li\u003e \u003cli\u003eLength: 12 in\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eBit type: Aircraft extension drill bit\u003c\/li\u003e \u003cli\u003eQuantity: 1 pc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312490180887,"sku":"D\/AA\/CX125\/64","price":4.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-aa-cx121-16_dffc712a-5838-4890-8d8a-9b8f3bd4376c.jpg?v=1771708394"},{"product_id":"3-32-x-12-hss-aircraft-extension-drill-bit-d-aa-c_d-aa-cx123-32","title":"3\/32\" X 12\" Aircraft Extension Drill Bit | HSS | D\/AA\/CX123\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 3\/32\" (0.09375\")\u003c\/li\u003e \u003cli\u003eOverall length: 12\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eBit type: Aircraft extension drill bit\u003c\/li\u003e \u003cli\u003eDesignation: 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High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eType: Aircraft extension drill bit\u003c\/li\u003e \u003cli\u003eDesignation: D\/AA\/C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312490246423,"sku":"D\/AA\/CX123\/32","price":5.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-aa-cx121-16_d0fdeefd-bccd-4756-a060-cdef1da34b48.jpg?v=1771708397"},{"product_id":"7-64-x-12-hss-aircraft-extension-drill-bit-d-aa-c_d-aa-cx127-64","title":"7\/64\" X 12\" Aircraft Extension Drill Bit | HSS | D\/AA\/CX127\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 7\/64\" (0.109375\")\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 12\"\u003c\/li\u003e 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D\/AA\/C\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExtended reach:\u003c\/strong\u003e 12\" overall length enables deep-hole drilling in recessed or hard-to-access areas.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS construction:\u003c\/strong\u003e Durability and heat tolerance when drilling metal components common in airframes and assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtension design:\u003c\/strong\u003e Helps maintain straight holes and reduces deflection during deep drilling tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision-ground flute geometry:\u003c\/strong\u003e Smoother cutting and consistent hole quality.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Single-piece, 1-count packaging for professional maintenance and fabrication workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUsage guidance:\u003c\/strong\u003e Best paired with appropriate feeds and speeds to maximize tool life and hole quality in aluminum alloys and other metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication context:\u003c\/strong\u003e Suitable for metalworking tasks in aerospace, automotive, and fabrication where deep, precise holes are required.\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\" (0.1406\" \/ 3.57 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 12\" (304.8 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Not specified\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\/geometry details:\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":52312490508567,"sku":"D\/AA\/CX129\/64","price":5.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-aa-cx121-16_65279a17-74be-4262-8246-57fe99a9de92.jpg?v=1771708405"},{"product_id":"5-32-x-12-hss-aircraft-extension-drill-bit-d-aa-c_d-aa-cx125-32","title":"5\/32\" X 12\" Aircraft Extension Drill Bit | HSS | D\/AA\/CX125\/32","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 5\/32\" (0.15625\")\u003c\/li\u003e \u003cli\u003eOverall length: 12\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003ePoint geometry: D\/AA\/C\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e \u003cli\u003eReach: 12\" for deep-hole 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required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 5\/16\" (0.3125\")\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 12\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Standard HSS finish\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesignation:\u003c\/strong\u003e DWDA\/C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312492441879,"sku":"DWDA\/CX125\/16","price":8.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-aa-cx121-16_2f74c456-67d5-4cbf-b68e-d7dc27d80adb.jpg?v=1771708510"},{"product_id":"21-64-x-12-hss-aircraft-extension-drill-bit-dwda-c_dwda-cx1221-64","title":"21\/64\" X 12\" Aircraft Extension Drill Bit | HSS | DWDA\/CX1221\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter: 21\/64 in (0.3281 in)\u003c\/li\u003e\n\u003cli\u003eOverall length: 12 in\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003cli\u003eType: Aircraft Extension Drill Bit\u003c\/li\u003e\n\u003cli\u003eModel\/Code: DWDA\/C\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 pc\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Speed Steel construction provides durability and heat tolerance during metal drilling\u003c\/li\u003e\n\u003cli\u003eExtended 12\" length enables access to recessed or hard-to-reach areas\u003c\/li\u003e\n\u003cli\u003eEngineered specifically as an aircraft extension drill bit for extended-reach applications\u003c\/li\u003e\n\u003cli\u003ePrecise cutting diameter of 21\/64\" supports targeted hole sizing and alignment\u003c\/li\u003e\n\u003cli\u003eOne-piece construction minimizes assembly steps and is suitable for inspection and maintenance tasks\u003c\/li\u003e\n\u003cli\u003eCompact, aircraft-maintenance-focused specification supports aerospace maintenance and precision metalworking workflows\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOverall length: 12\"\u003c\/li\u003e\n\u003cli\u003eCutting diameter: 21\/64\"\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003cli\u003eProduct code: DWDA\/C\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 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