{"product_id":"precision-twist-drill-5999674-cobalt-jobber-drill-bit","title":"Precision Twist Drill 5999674 Cobalt Jobber Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 5999674 is a cobalt high-speed steel jobber-length drill bit designed for drilling operations in steel and other demanding workpiece materials. It measures 1.75 mm in diameter with an overall length of 1.8125 inches and a flute length of 0.8594 inches. The 135-degree split point reduces walking on entry and lowers the thrust needed to start a hole. A straw oxide finish provides light lubricity and surface protection. This bit is suited for general-purpose drilling where a heavy-duty grade tool is required, and it is installed and used by machinists, maintenance technicians, and trade professionals working with ferrous and non-ferrous metals.\u003c\/p\u003e\u003cp\u003eThis jobber drill bit is appropriate for drilling into steel, cast iron, aluminum, non-ferrous alloys, and high-temp alloys, as reflected by its primary workpiece material codes P, M, K, N, and S. The straight cylindrical shank accepts standard drill chucks on benchtop drill presses, hand drills, and CNC machining centers. Its 13xD flute-to-diameter ratio provides adequate chip evacuation for shallow to moderate-depth holes in production and maintenance settings.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1.75 mm diameter cobalt construction for heat resistance in demanding materials\u003c\/li\u003e\n\u003cli\u003e135-degree web-thinned split point for self-centering entry and reduced thrust\u003c\/li\u003e\n\u003cli\u003eStraw oxide finish for light lubricity and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRegular spiral flute design promotes consistent chip removal\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank fits standard drill chucks without adapters\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 338 and ANSI standards for dimensional accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose jobber drill compatible with any standard drill chuck accepting a 0.0689-inch straight shank, including benchtop drill presses, hand drills, and CNC machining centers used in metalworking and maintenance applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eSecure the shank fully in the drill chuck and verify concentricity before operation. Use appropriate cutting fluid or coolant when drilling steel to extend tool life and manage heat. Wear appropriate eye protection and secure the workpiece firmly before drilling. Inspect the cutting edges for wear or chipping before each use and replace the bit if damage is observed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.75 mm (0.0689 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.8125 inches (46 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 0.8594 inches (22 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.0689 inches (1.75 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 0.9449 inches (24 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.8661 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 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\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cobalt High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Straw Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P, M, K, N, S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2ACO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 338, ANSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute By Diameter Ratio\u003c\/strong\u003e: 13xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04167 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: PRECISION TWIST DRILL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5999674\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51696603496754,"sku":"5999674","price":62.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/758de141a9fc20af5d344d75acdd3f69_a39c0ad7-c633-48b5-8d87-d525b547f14d.jpg?v=1788344345","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999674-cobalt-jobber-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}