{"product_id":"29-x-12-hss-aircraft-extension-drill-bit-dwda-c_dwda-cx1229","title":"#29 X 12\" Aircraft Extension Drill Bit | HSS | DWDA\/CX1229","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e No. 29 (0.136 in \/ 3.45 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 12 in (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\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesignation:\u003c\/strong\u003e DWDA\/C\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLong-reach design:\u003c\/strong\u003e Enables deep-access drilling in metal parts and assemblies, reaching recessed cavities and through-holes without re-clamping or repositioning the workpiece.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS construction:\u003c\/strong\u003e Durable material that maintains cutting edge and is easily re-sharpened for metalworking tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise hole size:\u003c\/strong\u003e No. 29 diameter provides a specific pilot or fastener hole in constrained spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAircraft extension form factor:\u003c\/strong\u003e Optimized for rigid performance with extension holders and drill chucks in tight-tolerance applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e Aerospace maintenance, automotive fabrication, and other metalworking scenarios requiring extended reach.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical usage:\u003c\/strong\u003e Best used with standard drill motors and long-reach extension accessories designed for deep-hole drilling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 12 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e No. 29 (0.136 in \/ 3.45 mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312496734487,"sku":"DWDA\/CX1229","price":5.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-aa-cx121-16_bcb3eda7-06d2-4be0-9641-2ecac711f958.jpg?v=1771708678","url":"https:\/\/mutualscrew.com\/products\/29-x-12-hss-aircraft-extension-drill-bit-dwda-c_dwda-cx1229","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}