Tapered chisel bit Catalogue
Cemented Tapered Chisel Drill Bits Description : (1)Connect shank Size: 22mm*108mm, 25mm*108mm (2)Bit Diameter: Range from 20 to 60mm (3)Standard Taper: 6 degree, 7 degree, 11 degree, 12 degree. (4)Material︰40Cr, 42CrMo. Superdrill could design and produce different drilling bits according to your requirements.