76mm T38 R32 Threaded Rock Drilling Button Bit

Rock head Tapered Drill Button Bits consist of mining and tunneling. With higher drilling efficiency, longer service life, better powder-discharge, better wear-resistance and impact-resistance, easier bit-back performance and other advantages, they are widely used in metal mine, quarry, tunneling, hydro-electrical engineering and other working conditions. Product Advantage 1.     Independently researched and developed alloys with high strength and good abrasion resistance; 2.     Independently researched and developed world-class production equipment, automatic production,ensuring product quality stability 3.     Drilling speed is faster than single-chisel bit, high efficiency ,long service life,no need for repeated grinding. Items  Specification Optional OEM  Product Name 34mm tapered drill button bit 34mm tapered drill button bit Available Material  42CrMo 45CrNi Available…