{"product_id":"guhring-9005300066300-jobber-drill-bit-letter-g-firex","title":"Guhring 9005300066300 Jobber Drill Bit Letter G Firex","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9005300066300 is a jobber length drill bit sized to Letter G (0.261 inches) and manufactured from powdered metal with a FIREX coating. Designed for high-performance drilling in steel and cast iron, it features a 130-degree drill point angle and a parabolic flute geometry that evacuates chips efficiently at higher feed rates. The straight-cylindrical shank and web-thinned point reduce entry force and improve centering. With an overall length of 3.98 inches and a flute length of 2.48 inches, this bit fits standard drill chucks and is suited for production machining, maintenance, and fabrication environments where tool life and hole quality matter.\u003c\/p\u003e\u003cp\u003eThis drill bit is intended for use in metalworking applications involving cast iron and steel workpieces, covering material codes K and P. Its parabolic flute with a fast spiral type makes it well suited for deep-hole and interrupted-cut scenarios common in job shop and production machining settings. The 5xD flute-to-diameter ratio supports drilling to a maximum depth of 2.089 inches without coolant-through requirements. Licensed machinists, tool-and-die technicians, and maintenance mechanics are the typical end users. The DIN 338 standard governs its dimensional specification.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFIREX coating improves wear resistance and reduces friction on steel and cast iron\u003c\/li\u003e\n\u003cli\u003e130-degree drill point angle with cone relief for reduced thrust in harder workpiece materials\u003c\/li\u003e\n\u003cli\u003eParabolic flute design with fast spiral promotes efficient chip evacuation at higher feeds\u003c\/li\u003e\n\u003cli\u003eWeb-thinned point reduces entry force and improves self-centering\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank fits standard drill chucks without adapters\u003c\/li\u003e\n\u003cli\u003eManufactured to DIN 338 specification with h8 diameter tolerance for consistent fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-specification jobber length drill bit conforming to DIN 338, suitable for use in standard drill chucks accepting a 6.63 mm straight-cylindrical shank across a range of drill presses, CNC machining centers, and hand-held power tools configured for metalworking.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed by a machinist or maintenance technician into a compatible drill chuck or collet. Ensure the machine is fully powered down and locked out before changing tooling. Verify chuck capacity accommodates the 6.63 mm shank diameter before seating the bit. Do not exceed the rated maximum drilling depth of 2.089 inches per plunge without retracting to clear chips.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.2610 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\u003eFinish\/Coating\u003c\/strong\u003e: FIREX\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\u003eNumber of Flutes\u003c\/strong\u003e: 2\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: 2.089 inches (53.06 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 6.63 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\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 5xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: h8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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\u003eStandard\u003c\/strong\u003e: DIN 338\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 530\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.025 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: GUHRING\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9005300066300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51728284156210,"sku":"9005300066300","price":44.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/40d61c604dd229317dfddccb66755eec_818b047a-ebe8-4114-8750-8a0380c752a2.jpg?v=1788690251","url":"https:\/\/voomisupply.com\/products\/guhring-9005300066300-jobber-drill-bit-letter-g-firex","provider":"Voomi Supply","version":"1.0","type":"link"}