Description of auger teethAuger teeth is made by tungsten carbide tips and steel shank body. they are widely used in underground coal mining and tuneling jobs, and always used with cutting mining machine.Quick detailsProduct number1010748Tip size8mmShank diameter19mmTotal length of the bit87mmapplicationUnderground coal miningMaterialTungsten carbide tips and steel shank bodyprocessforgingBrandTydrillbitsDelivery information1-5 days for sample,1-15 days for batch products.MOQ10 pieces