{"product_id":"hertel-c-402-1230-jobber-drill-bit-12-30-mm-hss","title":"Hertel C.402.1230 Jobber Drill Bit 12.30 Mm Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL C.402.1230 is a jobber-length twist drill bit ground from high speed steel and finished with a black oxide coating. It measures 12.30 mm (0.4843 inch) in diameter and carries a standard 118-degree point angle suited to general-purpose drilling in a wide range of ferrous and non-ferrous materials. With an overall length of 149 mm and a flute length of 111 mm, the bit fits standard drill chucks and magnetic drill presses without modification. Two spiral flutes evacuate chips efficiently during right-hand cutting. This bit is intended for machinists, maintenance technicians, pipefitters, and fabricators who need a reliable general-purpose drill for everyday production or field work.\u003c\/p\u003e\u003cp\u003eThe C.402.1230 is sized for applications that fall within the 10.00 mm to 12.50 mm drill range, making it useful for clearance holes, bolt-hole layouts, and pilot drilling in structural steel, plate, tubing, and light aluminum. The straight cylindrical shank seats securely in keyed or keyless chucks on benchtop drill presses, hand drills, and CNC machining centers with compatible tooling. It is a single-piece, standard-catalog item sold individually.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e12.30 mm (0.4843 inch) diameter with a standard 118-degree split-free point\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction with black oxide finish for basic corrosion and heat resistance\u003c\/li\u003e\n\u003cli\u003eTwo right-hand spiral flutes, 111 mm flute length for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank for broad chuck compatibility\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose grade suitable for ferrous metals, non-ferrous metals, and plastics\u003c\/li\u003e\n\u003cli\u003eNo coolant-through requirement  -  compatible with conventional cutting fluid application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose jobber drill for use in any standard drill chuck accepting a straight cylindrical shank in the 10.00 mm to 12.50 mm size range.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists and fabricators using standard drill press or hand-drill equipment. Secure the shank fully in the chuck and verify concentricity before beginning a cut. Apply cutting fluid appropriate to the workpiece material to extend tool life and maintain hole quality. Inspect the cutting edges before each use and replace the bit if chipping or excessive wear is observed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 12.30 mm (0.4843 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 149 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 111 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Angle\u003c\/strong\u003e: 118 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: 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\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Range\u003c\/strong\u003e: 10.00 mm to 12.50 mm (0.4000 to 0.5000 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.15 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241634\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HERTEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C.402.1230\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51743342657842,"sku":"C.402.1230","price":24.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8b243d99288e7192c23cf77c999d9102.jpg?v=1788845884","url":"https:\/\/voomisupply.com\/products\/hertel-c-402-1230-jobber-drill-bit-12-30-mm-hss","provider":"Voomi Supply","version":"1.0","type":"link"}