{"product_id":"chicago-latrobe-54048-jobber-drill-bit-no-38-cobalt-tin","title":"Chicago-latrobe 54048 Jobber Drill Bit No 38 Cobalt Tin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CHICAGO-LATROBE 54048 is a jobber-length drill bit in No. 38 wire size (0.1015 inches decimal equivalent), built from M42 cobalt high-speed steel and coated with titanium nitride (TiN) for extended tool life. It features a 135-degree split point that starts on contact and reduces walking on hard materials. The two-flute spiral design evacuates chips efficiently during drilling. At 2.5 inches overall length with a 1.4375-inch flute length, it fits standard drill chucks and drill presses. This is a heavy-duty tool intended for professional machinists, maintenance technicians, and fabricators working in metalworking and industrial settings.\u003c\/p\u003e\n\u003cp\u003eThis bit is engineered for drilling stainless steel and steel — materials that demand a high-cobalt alloy and a hard coating to resist heat and edge wear. The straight-cylindrical shank at 0.1015 inches diameter seats securely in keyless or keyed chucks. Series 2550 bits follow DIN 338 and NAS 907 Type J standards, making them a recognized choice in aerospace, manufacturing, and general industrial maintenance applications where dimensional accuracy and consistent performance are required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eM42 cobalt HSS construction withstands high-heat drilling in stainless steel and alloy steels\u003c\/li\u003e\n  \u003cli\u003eTiN coating increases surface hardness and reduces friction for longer tool life\u003c\/li\u003e\n  \u003cli\u003e135-degree split point reduces thrust force and eliminates center-punch requirements on most metals\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, tapered web design improves chip clearance and cutting efficiency\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, regular spiral flutes for standard drill presses, hand drills, and CNC operations\u003c\/li\u003e\n  \u003cli\u003eMeets DIN 338 and NAS 907 Type J specifications for dimensional and performance consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a heavy-duty jobber-length replacement drill bit for applications requiring a No. 38 wire size (0.1015 inches) in stainless steel and steel workpieces, conforming to NAS 907 Type J and DIN 338 standards under Series 2550.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed and operated by machinists, toolroom technicians, and maintenance professionals using standard drill presses, hand drills, or CNC drilling equipment. Secure the straight-cylindrical shank firmly in the chuck before operation and verify chuck runout is within acceptable tolerance to protect the bit. Use appropriate cutting fluid or coolant when drilling stainless steel to manage heat buildup, even though coolant-through is not available on this bit. Inspect the cutting edge for wear before each use and replace when the TiN coating is fully worn from the cutting lips.\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: No. 38\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1015 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M42 Cobalt HSS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\/Coating\u003c\/strong\u003e: Titanium Nitride (TiN)\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\u003eOverall Length\u003c\/strong\u003e: 2.5 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\u003eShank Diameter\u003c\/strong\u003e: 0.1015 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.0625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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 (Regular)\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, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel, Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: -0.0005 to 0.0000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2550\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: DIN 338, NAS 907 Type J\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 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: CHICAGO-LATROBE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 54048\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHICAGO-LATROBE","offers":[{"title":"Default Title","offer_id":51750381519154,"sku":"54048","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4064bf70af889456174ea3c1f0e5078a.jpg?v=1788915167","url":"https:\/\/voomisupply.com\/products\/chicago-latrobe-54048-jobber-drill-bit-no-38-cobalt-tin","provider":"Voomi Supply","version":"1.0","type":"link"}