{"product_id":"chicago-latrobe-11107-aircraft-extension-drill-15-64-in","title":"Chicago-latrobe 11107 Aircraft Extension Drill 15\/64 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CHICAGO-LATROBE 11107 is a high speed steel aircraft extension drill bit designed for deep-reach drilling applications where standard-length bits cannot access the workpoint. Built to Series 912 specifications and compliant with NAS 907 Type B standards, this bit features a 135-degree split point that is self-centering and eliminates the need for a center punch on most materials. The oxide finish provides mild lubricity and corrosion resistance during use. With a 15\/64 inch diameter and 12 inch overall length, it delivers extended reach without sacrificing accuracy or rigidity.\u003c\/p\u003e\u003cp\u003eThis extension drill bit is suited for aerospace fabrication, structural steel work, sheet metal assembly, and maintenance applications where drilling through deep cavities or stacked materials is required. The tapered web configuration and web-thinned geometry reduce thrust requirements and improve chip evacuation during extended-reach cuts. It is commonly used by aircraft maintenance technicians, millwrights, and metalworking professionals working in confined or hard-to-reach drilling environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e135-degree split point is self-centering, reducing walking and eliminating most center-punch steps\u003c\/li\u003e\n\u003cli\u003e12 inch overall length provides extended reach for deep-cavity and stacked-material drilling\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction handles general-purpose metalworking across a wide range of materials\u003c\/li\u003e\n\u003cli\u003eOxide finish adds surface lubricity and light corrosion resistance\u003c\/li\u003e\n\u003cli\u003eTapered web with web thinning reduces drilling thrust and improves chip flow\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting, straight-cylindrical shank for standard chuck compatibility\u003c\/li\u003e\n\u003cli\u003eNAS 907 Type B compliant for aerospace and structural applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use drill bit for applications requiring a 15\/64 inch straight-shank extension drill conforming to NAS 907 Type B standards in Series 912 configurations.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed and operated by machinists, aircraft maintenance technicians, and metalworking tradespeople using standard drill motors or drill presses with a compatible chuck. Secure the straight-cylindrical shank firmly in the chuck before operation to prevent slippage during extended-reach drilling. Use appropriate cutting fluid for the workpiece material to extend bit life and improve cut quality. Inspect the split point for wear or chipping before each use, as a damaged point will compromise self-centering performance.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size\u003c\/strong\u003e: 15\/64 inch (0.2344 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2-5\/8 inches (2.6250 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 15\/64 inch (0.2344 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Split\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Centering\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.0000 to -0.0007 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: NAS 907 Type B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 912\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CHICAGO-LATROBE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 11107\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHICAGO-LATROBE","offers":[{"title":"Default Title","offer_id":51727208874290,"sku":"11107","price":22.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9cfe4602e4dc52ea3b0ff0cce686eaae.jpg?v=1788674740","url":"https:\/\/voomisupply.com\/products\/chicago-latrobe-11107-aircraft-extension-drill-15-64-in","provider":"Voomi Supply","version":"1.0","type":"link"}