{"product_id":"accupro-63310197-carbide-jobber-drill-bit-4-mm-altin","title":"Accupro 63310197 Carbide Jobber Drill Bit 4 Mm Altin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO 63310197 is a solid carbide jobber-length drill bit designed for high-performance drilling in demanding materials. Ground to a 140-degree notched point with web thinning, it starts fast and centers accurately without a pilot hole. The AlTiN (aluminum titanium nitride) coating increases surface hardness and heat resistance, making it well suited for dry or minimal-lubrication drilling in hardened steels, stainless, cast iron, and similar tough workpiece materials. The straight-cylindrical shank measures 4 mm in diameter, matching the cutting diameter for straightforward chuck mounting in standard drill chucks or collet holders.\u003c\/p\u003e\n\u003cp\u003eThis bit is intended for use in machining centers, CNC drilling operations, and manual drill presses where precise hole location and clean entry are required. The regular spiral flute geometry provides efficient chip evacuation in a wide range of metals and engineering plastics. With a flute-to-diameter ratio of 4xD and a maximum recommended drilling depth of 16.80 mm (approximately 0.661 inches), it is optimized for shallow to moderate-depth through-holes and blind holes in production and job-shop environments. Machinists, tool-and-die workers, and maintenance mechanics will find it appropriate for general precision drilling tasks.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003eAlTiN coating provides high heat resistance and extended tool life in dry or semi-dry cutting conditions\u003c\/li\u003e\n  \u003cli\u003e140-degree notched point with web thinning reduces thrust and improves self-centering\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, regular spiral flute for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical 4 mm shank fits standard drill chucks and collet systems without adapters\u003c\/li\u003e\n  \u003cli\u003eParallel web configuration maintains consistent edge strength along the flute length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct tooling selection for applications requiring a 4 mm diameter solid carbide jobber drill bit with a straight-cylindrical shank; fits standard 4 mm collets and drill chucks used in CNC machining centers and manual drill presses.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and locked out before loading or removing the bit. Seat the shank fully into the collet or chuck and verify runout with a dial indicator before production drilling. Follow the machine manufacturer and tooling guidelines for feed rate and spindle speed when cutting hardened or stainless materials, as excessive feed can chip carbide edges.\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 mm (0.1575 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 50 mm (approximately 1.969 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 21 mm (approximately 0.827 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 16.80 mm (approximately 0.661 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 4 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Notched\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: Parallel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 4xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: AlTiN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: High Performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.09 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: ACCUPRO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 63310197\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51727975743794,"sku":"63310197","price":85.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/024e52a9de37fde64504dc54caf99e75.jpg?v=1788685218","url":"https:\/\/voomisupply.com\/products\/accupro-63310197-carbide-jobber-drill-bit-4-mm-altin","provider":"Voomi Supply","version":"1.0","type":"link"}