Rock drill tools
1)Thread type:T45
2)Face design:flat face
3)normal and retrac
4)button type:spherical/parabolic/connical/ballistic
5)diameter:28-127mm
6)use:mining, coal, iron, gold mine, tunnel, etc
tapered rock drill bits include: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.
em: shearwrenchcn at 163.com