{"product_id":"guhring-9005490049500-jobber-drill-bit-4-95mm-hss","title":"Guhring 9005490049500 Jobber Drill Bit 4.95mm Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9005490049500 is a jobber length twist drill bit designed for precision hole-making in a wide range of materials. Built from high speed steel with a bright uncoated finish, it features a parabolic flute geometry and a 130-degree point angle with cone relief and web thinning for improved chip evacuation and reduced thrust when entering the workpiece. The straight-cylindrical shank measures 4.95 mm in diameter, and the overall length is 86 mm (approximately 3.39 inches), with a flute length of 52 mm (approximately 2.05 inches). This bit is sized at 4.95 mm (0.1949 inches) and carries a diameter tolerance of h8, making it appropriate for close-tolerance drilling applications. It is suited for use by machinists, maintenance technicians, and fabricators working with manual or CNC drilling equipment.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is primarily rated for aluminum and general-purpose non-ferrous and ferrous materials, covering primary workpiece material codes K, N, and P. The parabolic flute and 5xD flute-to-diameter ratio support chip clearance during deeper cuts, with a maximum drilling depth of 44.58 mm (approximately 1.755 inches). It is well suited for production drilling, maintenance repair, and tool-room applications where a standard DIN 338 jobber length geometry is specified. Sold individually, this bit fits standard drill chucks and collets accepting a 4.95 mm straight-cylindrical shank.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4.95 mm (0.1949 inch) diameter with h8 tolerance for dimensional accuracy\u003c\/li\u003e\n  \u003cli\u003e130-degree point angle with cone relief and web thinning for reduced entry thrust\u003c\/li\u003e\n  \u003cli\u003eParabolic flute geometry promotes efficient chip evacuation at deeper cuts\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction rated for aluminum and general-purpose materials\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank fits standard drill chucks and collet systems\u003c\/li\u003e\n  \u003cli\u003eConforms to DIN 338 standard, Series 549\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct substitution for DIN 338 jobber length drill bits in the 4.00 mm to 5.00 mm diameter range, fitting any standard drill chuck or collet accepting a 4.95 mm straight-cylindrical shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis drill bit should be installed by a qualified machinist or technician using a properly rated drill press, hand drill, or CNC drilling machine. Confirm the chuck or collet is rated for the 4.95 mm shank diameter and that the tool is fully secured before operation. Do not exceed the rated maximum drilling depth of 44.58 mm without retracting to clear chips. Follow applicable shop safety standards and manufacturer guidelines for cutting speed and feed rate based on workpiece material.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 4.95 mm (0.1949 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\u003eOverall Length\u003c\/strong\u003e: 86 mm (approximately 3.39 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 52 mm (approximately 2.05 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 4.95 mm (0.1949 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 34 mm (approximately 1.34 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 44.58 mm (1.755 inches)\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: Regular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright \/ Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: h8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Aluminum (Material Codes K, N, P)\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\u003eSeries\u003c\/strong\u003e: 549\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: 0.009 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: 9005490049500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51727277031730,"sku":"9005490049500","price":29.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0c372d7e2ac688b73a39b91214793550.jpg?v=1788675785","url":"https:\/\/voomisupply.com\/products\/guhring-9005490049500-jobber-drill-bit-4-95mm-hss","provider":"Voomi Supply","version":"1.0","type":"link"}