11 degree 12 degree 38mm 40mm rock drill bits

carbide Button bits with 6tips, 7tips, 8tips, we do them according to customers' requirement. We can manufacture the following types:

A. Taper button bit
Tapered button bit(28mm, 30mm, 32mm, 33mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm and so on. With different degree taper)

Tapered Rod (Rod 19mm, 22mm, 25mm; Shank hex, 19mm, 22mm)

Internal Drill rods(chisel bit integral rod. 19mm, 22mm; Shank hex. 19mm, 22mm)

B. Thread Button Bit
Thread button bit (33mm, 35mm, 45mm, 51mm, 57mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm, 127mm and so on.

R25--38mm, R25--41mm, R28--38mm, R28--41mm

R32; R32--45mm, R32--76mm, R32--89mm, R32--102mm

T38; T38--64mm, T38--76mm, T38--89mm, T38mm--102mm

T45; T45--89mm, T45--102mm

T51; T51--89mm, T51--115mm,  T51--127mm