Alloy Steel Button Drill Bit with Carbide Inserts

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  Drill bits with carbide insertsButton Bit with Carbide Inserts-Flat face drill bit with embedded carbide buttons.uitable for stone walls, rubble, broken rock and medium hard rock. 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