{"product_id":"precision-twist-drill-6001311-aircraft-drill-bit-52","title":"Precision Twist Drill 6001311 Aircraft Drill Bit 52","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 6001311 is a wire-gauge aircraft extension drill bit designed for precision drilling in tight-clearance and deep-reach applications. Ground from high speed steel with an oxide finish, this bit carries a 135-degree split point that is self-centering and web-thinned to reduce thrust and walking on entry. The straight-cylindrical shank measures 0.0635 inches in diameter, matching the drill bit size, and the spiral flute runs 0.875 inches in length. It is sized to wire gauge No. 52 with a decimal diameter of 0.0635 inches, making it a standard choice where close-tolerance hole sizing is required. Licensed trades and aerospace maintenance technicians are the primary installers.\u003c\/p\u003e\u003cp\u003eThis drill bit is built for aircraft and general-purpose metalworking where a standard jobber-length bit cannot reach the worksite. The extended overall length of 6 inches combined with the 4xD flute-to-diameter ratio gives adequate chip clearance in deeper bores. Typical applications include airframe maintenance, structural assembly, and precision machining work where a wire-gauge hole size is called out by drawing or specification. The Series 501-6 designation places it within a recognized product line of aircraft-type extension drills manufactured to NAS 907 Type B standards.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e135-degree split point with web thinning reduces entry thrust and eliminates center-punch requirements\u003c\/li\u003e\n\u003cli\u003eSelf-centering geometry maintains hole position accuracy on curved or angled surfaces\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction provides hardness and heat resistance for drilling steel, aluminum, and similar metals\u003c\/li\u003e\n\u003cli\u003eOxide finish provides mild corrosion resistance during storage and light service\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank seats in standard drill chucks without the need for a specialized holder\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting, two-flute spiral design promotes efficient chip evacuation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eManufactured to NAS 907 Type B standards as a Series 501-6 aircraft extension drill bit. Designed as an OEM-style replacement or direct substitute for wire gauge No. 52 aircraft extension drill bits in general-purpose and aerospace drilling applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists, aircraft maintenance technicians, or qualified tradespeople using a standard hand drill, drill press, or pneumatic drill motor with a compatible chuck. Secure the workpiece before drilling and verify that the chuck is properly tightened on the straight-cylindrical shank to prevent slippage. Use appropriate cutting fluid for the base material to extend bit life and maintain hole quality. Follow applicable facility safety protocols and relevant industry standards when performing drilling operations on structural components.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: No. 52\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.0635 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: 0.875 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: 0.0635 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\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\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\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\u003eSelf-Centering\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length to Diameter Ratio\u003c\/strong\u003e: 4xD\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: 501-6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04167 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 6001311\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51714969895218,"sku":"6001311","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/242a725ff91a89d972c5cf595935e053_52b8bec8-4811-4288-9a8c-a951be8294cb.jpg?v=1788508522","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-6001311-aircraft-drill-bit-52","provider":"Voomi Supply","version":"1.0","type":"link"}