{"product_id":"chicago-latrobe-70138-no-38-hss-tin-jobber-drill-bit","title":"Chicago-latrobe 70138 No. 38 Hss Tin Jobber Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CHICAGO-LATROBE 70138 is a jobber-length drill bit in wire gauge size No. 38, with a decimal diameter of 0.1015 inches. Built from high speed steel with a titanium nitride (TiN) coating, it delivers extended surface hardness and heat resistance compared to uncoated HSS tooling. The 118-degree standard point angle is ground for general-purpose drilling, and the web-thinned, tapered web construction reduces thrust requirements at entry. Overall length is 2.5 inches with a 1.4375-inch spiral flute length. This bit is sold individually and is suited for use by machinists, maintenance technicians, and trade professionals working with ferrous and non-ferrous materials.\u003c\/p\u003e\u003cp\u003eThe 70138 is designed for drilling into cast iron and steel in general-purpose shop, field, and production environments. The straight-cylindrical shank with a diameter of 0.1015 inches seats in standard drill chucks without adapters. The regular spiral flute geometry and right-hand cutting direction make it compatible with conventional drill press, hand drill, and CNC drilling setups where a No. 38 wire gauge hole is required. The two-flute design promotes chip evacuation in typical through-hole and blind-hole applications on light to medium stock.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWire gauge size No. 38 with 0.1015-inch decimal diameter\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction with titanium nitride (TiN) coating for added surface hardness\u003c\/li\u003e\n\u003cli\u003e118-degree standard point angle with web-thinned, tapered web for reduced entry thrust\u003c\/li\u003e\n\u003cli\u003eRight-hand, regular spiral flute with 1.4375-inch flute length for consistent chip clearance\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank matches standard chuck collets without modification\u003c\/li\u003e\n\u003cli\u003eManufactured to DIN 338 standard; Series 150T general-purpose classification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose jobber-length drill bit compatible with any standard drill chuck accepting a 0.1015-inch straight-cylindrical shank, including drill presses, hand drills, and CNC drilling machines configured for wire gauge No. 38 tooling. Primary workpiece materials are cast iron and steel.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or trade professionals familiar with rotary cutting tool safety. Secure the shank fully in the chuck and verify runout before drilling. Always power down and de-energize the machine before changing bits. Do not exceed the recommended RPM range for the workpiece material and bit diameter, and use appropriate cutting fluid for steel applications to manage heat buildup.\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. 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\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0005 to 0.0000 inches\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\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\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: Regular 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: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Titanium Nitride (TiN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 338\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 150T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 70138\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHICAGO-LATROBE","offers":[{"title":"Default Title","offer_id":51738500694322,"sku":"70138","price":54.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a05b3610876953388b52f8e56ccb1bbe.jpg?v=1788800330","url":"https:\/\/voomisupply.com\/products\/chicago-latrobe-70138-no-38-hss-tin-jobber-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}