stone cracking powder , Pneumatic Hand Held Rock Drill, Hydraulic rock splitter , rock drill bits , rock drill rods , shims and wedges
stone cracking powder , Pneumatic Hand Held Rock Drill, Hydraulic rock splitter , rock drill bits , rock drill rods , shims and wedges
Tungsten Carbide Taper Shank Button Drill Bit for Rock Mining
(1)Taper angle: 4° , 4° 46, 6° , 7° , 11° , 12°
(2)Models: Chisel/cross/button bit
(3)Diameter: 20-45 mm
(4)Button bit shape: Spherical/parabolic
(5)Socket inside diameter: 15/19/22/25mm
Our tapered drill bits are made with high quality alloy steel bar and tungsten carbides, through heat treatment.