Retract Bits
Negotiable /Piece
Min.Order:1 Piece
Shanghai Total Industrial Co., Ltd.
thread button bit, rock drill bit,Retrac Button Bits,taper drill bit,tapered drill rods,taper button bit
Diameter :40 mm -200 mm (D)
Bit Type: Button Bit, Cross Bit
Button Type: Hemispherical, Ballistic, Conical
Thread: R32, R38, T38, T45, T51, T60, ST58(T)
Bit Body: Standard
Bit Face: Flat, Concave, Convex
The threaded button bits can be used in all rock formation, they are most popular drill bits in the world now.