Quick details of wear-resistant layer coal cutter bitsProdcut name: Coal cutter picks with wear-resistant layerMaterial: Tungsten carbide tips and 42 CrMo steel and wear-resistant carbide Model size:U82, U84, U85, U92,U94,U95,U170Diameter: 25mm and 35mmCarbide material: Tungsten carbide and CobaltProcess: ForgingCertification: ISO9001Application: Coal mining and ore miningRock formation: Soft, medium and hard rock formationSuitable for machine: Kennemetal and BetekAdvantage of welding wear-resistant layerWelding carbide wear-resistant layer can add the hardness of the bit, the hardness with wear-resistant layer can reach to 65 degree Celsius. Choosing this kind drill bit can improve your working efficiency and reduce your cost.Application:Coal cutter bits often use with coal cutting machine to cut coal.