{"product_id":"precision-twist-drill-5996077-cobalt-drill-bit-0-1015-in","title":"Precision Twist Drill 5996077 Cobalt Drill Bit 0.1015 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 5996077 is a cobalt aircraft extension drill bit designed for drilling in hard metals, stainless steel, and high-temperature alloys where standard HSS tooling wears prematurely. Built to Series CO501-6 specifications, this bit carries a wire size designation of 38, corresponding to a decimal diameter of 0.1015 inches. The 135-degree split point is self-centering and web-thinned, eliminating the need for a center punch on most ferrous surfaces and reducing walking on entry. The straw finish indicates a heat-treated cobalt substrate appropriate for production and maintenance drilling in demanding shop and field environments. Licensed trades and aerospace maintenance technicians are the primary installers of this tooling.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for use in aircraft maintenance, structural fabrication, and general metalworking applications where a 6-inch overall length is needed to reach recessed or deep-set hole locations. The extended length makes it practical for drilling through structural members, tubing walls, and stacked material where a jobber-length bit cannot reach. The right-hand spiral flute geometry evacuates chips efficiently in through-hole and blind-hole applications across a range of metal stock.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt tool material withstands elevated heat in hard-metal and stainless drilling applications\u003c\/li\u003e\n\u003cli\u003e135-degree split point with web thinning provides self-centering entry without a pilot hole\u003c\/li\u003e\n\u003cli\u003e0.1015 inch diameter, wire size 38, straight-cylindrical shank fits standard chucks without reduction\u003c\/li\u003e\n\u003cli\u003e6-inch overall length with 1.4375-inch flute length accommodates extended-reach drilling\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction with 2-flute spiral geometry for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eMeets NAS 907 Type J standard for aircraft-grade drilling performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and general-purpose option for applications requiring a wire size 38 cobalt extension drill bit conforming to NAS 907 Type J in Series CO501-6.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tooling is installed and used by machinists, aircraft maintenance technicians, and metalworking trade professionals. Secure the straight-cylindrical shank firmly in a keyed or keyless chuck rated for the intended spindle speed before operation. Power down and lock out all equipment before changing tooling. Follow applicable shop safety standards and manufacturer speed-and-feed recommendations for the specific base material being drilled.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 38\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.1015 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: 1.4375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Straw\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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1015 inches\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\u003eSeries\u003c\/strong\u003e: CO501-6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: NAS 907 Type J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.042 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: 5996077\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51697125130546,"sku":"5996077","price":15.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9a3e48cb1baf3e332194f6fb8f7c2a57_36a1f3e0-bac1-44eb-9133-ca5d9c8ba12a.jpg?v=1788349627","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5996077-cobalt-drill-bit-0-1015-in","provider":"Voomi Supply","version":"1.0","type":"link"}