7 degree Button Bit Hex 12 Hex 19 Tapered Drill Bit For Hammer Rock Drilling
Feature Of The Taper Button Bit:
(1)Taper Angle: 4°,4°46″,6°,7°,11°,12°
(2)Models: Chisel/Cross/Button Bit
(3)Dia:20-45 Mm
(4)Button Bit Shape: Spherical/Parabolic
(5)Socket Inside Dia:15/19/22/25mm