{"product_id":"precision-twist-drill-6001494-aircraft-extension-drill-bit","title":"Precision Twist Drill 6001494 Aircraft Extension Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 6001494 is a wire gauge size 28 aircraft extension drill bit designed for precision drilling in aerospace and general metalworking applications. Built from high speed steel with an oxide finish, it features a 135-degree split point with self-centering geometry and web-thinned construction that reduces walking and cutting force at entry. The straight cylindrical shank measures 0.1405 inches in diameter, matching the 0.1405-inch drill diameter. With a 1.75-inch flute length and 6-inch overall length, this bit provides extended reach into recessed or deep-hole locations where standard-length drill bits cannot access. Cutting direction is right hand with a spiral flute and tapered web configuration. Licensed machinists, aircraft maintenance technicians, and tool-and-die professionals are the primary installers.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is suited for aircraft assembly, sheet metal fabrication, and general purpose precision drilling in ferrous and non-ferrous metals. The extended overall length of 6 inches allows access to tight or recessed areas common in airframe and structural assembly work. The 135-degree split point performs well in both hand-drill and drill-press setups, making it a versatile option for production and maintenance environments. The Series 501-6 designation places it within a recognized line of aircraft-type extension drills built to NAS 907 Type B standards.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eWire gauge size 28, 0.1405-inch diameter for precision hole sizing\u003c\/li\u003e\n  \u003cli\u003e135-degree split point with self-centering tip reduces pilot hole requirement\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, tapered web design lowers thrust and cutting resistance\u003c\/li\u003e\n  \u003cli\u003e6-inch overall length provides extended reach in deep or confined work areas\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction with oxide finish for general purpose metal cutting\u003c\/li\u003e\n  \u003cli\u003eComplies with NAS 907 Type B standard for aircraft drill applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general purpose aircraft extension drill bit suitable for use in hand drills, drill presses, and CNC equipment accepting a 0.1405-inch straight cylindrical shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by machinists, aircraft technicians, or qualified metalworkers using standard drilling equipment. Secure workpieces firmly before drilling to prevent walking, even with the self-centering split point. Use appropriate cutting fluid for the material being drilled to extend tool life. Follow applicable shop safety standards and wear eye protection during operation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal)\u003c\/strong\u003e: 0.1405 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.75 inches\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: 0.1405 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\u003ePoint Type\u003c\/strong\u003e: Split\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Centering\u003c\/strong\u003e: Yes\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\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 501-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: NAS 907 Type B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04167 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PRECISION TWIST DRILL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6001494\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51689583673650,"sku":"6001494","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/242a725ff91a89d972c5cf595935e053_157ab05e-5b26-4468-8782-e26a9371d012.jpg?v=1788261447","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-6001494-aircraft-extension-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}