{"product_id":"guhring-9005300060400-jobber-drill-bit-letter-b-firex","title":"Guhring 9005300060400 Jobber Drill Bit Letter B Firex","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9005300060400 is a jobber-length drill bit sized to Letter B (0.2378 inches) and built for high-performance drilling in steel and cast iron. Manufactured from powdered metal and finished with a FIREX coating, this bit is engineered for extended tool life in demanding production and maintenance environments. The 130-degree drill point angle and parabolic flute design promote efficient chip evacuation and reduce heat buildup during deep-hole drilling. A web-thinned cone relief point reduces entry force and improves centering accuracy. This bit is installed by machinists, maintenance technicians, and tool-and-die professionals working with drill presses, CNC machining centers, or portable drilling equipment.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is suited for drilling cast iron and steel in both shop and field applications. The straight-cylindrical shank fits standard drill chucks without adapters. With a flute-to-diameter ratio of 5xD and a fast spiral configuration, it performs well in through-hole and blind-hole operations at jobber depth. The Series 530 designation places it within a consistent product family built to DIN 338 standards, making it a reliable choice for shops that standardize on metric-specification tooling.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLetter B size at 0.2378 inches  -  fits within the 0.2000 to 0.2500 inch size range\u003c\/li\u003e\n  \u003cli\u003eFIREX coating for improved wear resistance and heat dissipation on ferrous materials\u003c\/li\u003e\n  \u003cli\u003e130-degree drill point angle optimized for cast iron and steel\u003c\/li\u003e\n  \u003cli\u003eParabolic flute with fast spiral promotes chip clearance in deeper holes\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned cone relief point reduces thrust and improves hole entry accuracy\u003c\/li\u003e\n  \u003cli\u003eManufactured to DIN 338 specification with h8 shank diameter tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a DIN 338-compliant jobber-length drill bit for use in standard drill chucks and machining equipment that accept a straight-cylindrical shank. Primary workpiece materials are cast iron and steel. Compatible with drill presses, CNC machining centers, and handheld drilling equipment accepting a 6.04 mm shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by qualified machinists or maintenance technicians familiar with rotating cutting tools. Ensure the shank is fully seated and securely clamped in the chuck before operation. Verify machine RPM and feed rate are appropriate for the workpiece material and bit diameter before drilling. Do not use this bit on materials outside its rated workpiece material categories without consulting manufacturer guidance.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.2378 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 130 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: Powdered Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Finish\/Coating\u003c\/strong\u003e: FIREX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.98 inches (101.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.48 inches (63.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 2.124 inches (53.94 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 6.04 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 38.00 mm\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: Parabolic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Fast\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: Cone Relief\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 5xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: h8\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\u003eSeries\u003c\/strong\u003e: 530\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 338\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.025 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: GUHRING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9005300060400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51990195044658,"sku":"9005300060400","price":40.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/40d61c604dd229317dfddccb66755eec_5f75b54b-1ca2-4759-8867-40a12eb3f7ef.jpg?v=1789988765","url":"https:\/\/voomisupply.com\/products\/guhring-9005300060400-jobber-drill-bit-letter-b-firex","provider":"Voomi Supply","version":"1.0","type":"link"}