Investment Casting Alloy Steel Self Drilling Two Stage Retro Flush Drill Bit

ProcessInvestment Casting, Forging, MachiningMaterialAlloy Steel, Carbide IncertsUnit Weight0.1kg-200kgFinishPlain,Nickel Plating , Chrome Plating or PolishingApplicationAutomotive ,Mining, Railway, Construction equipment,Mining etcQuality ControlSpectrometer, UT, PT, MT, RT, Hardness tester, Tensile tester CMM, Projection Machine, etc.CertificateISO 9001:2015, IATF16949, ISO14001:2015StandardASTM, EN, DIN, ISO, BS, JIS, AS  Two Stage Retro Flush Bit-Cast bit with hardened cutting face.-Full retro flush prevents blockages in clay.FACTORY OVERVIEW/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1