1) Type: chisel bits
( 2) Size: 19mm, 22mm, 25mm
( 3) Diameter: 26-100mm.
( 4) Taper: degree 4Â ° 462 6Â ° , 7Â ° , 11Â ° , 12Â ° .
( 5) Package: in wooden case or in carton.
( 6....

Carbides shapes are cross type on drill bits. Same as taper chisel bits, they have different taper degree and diameters. Meanwhile cross bits are Usually all carbide tips, ....

used for hard or very hard rock formation.
( 1) Type: button bits
( 2) Size: 19mm, 22mm, 25mm
( 3) Diameter: 30-42mm.
( 4) Taper: degree 4Â ° 462 6Â ° , 7Â ° , 11Â ° , 12Â ° .
( 5....

COUPLNG
Size: R25, R28, R32, R38, T38, T45, T51
Length: 140mm-235mm
Package: in wooden case or in carton.
Productivity: 5000pcs/ month

Maxdrill shank adaptors are available for
ATLAS COPCO ( COP1238, COP1838, COP1032 and etc)
FURUKAWA( HD715, HD612, HD609 , PD200 and etc )
INGERSOLL-RAND ( VL140, VL671, ....

Extension rods, there are R22, R25, R28, R32, R38, T38, T45, T51, ST58, T60 threads, and different lengths of rods are available from 600mm to 6400mm usually.
( 1) Steel grade: ....

Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands....