We are specialized in rock drilling tools: chisel bits, cross bits, button bits
Tapered Rock Drill Bits we have three types: taper chisel bit, taper cross bit and taper button bit. It's suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7°, 11°, 12°. It's widely used for hard rock(f=8~18) drilling use. Taper button bits is the best sales product.