Tapered Drill Bit

Type --Chisel Bits / Cross Bits / Button Bits

Diameter---28mm,30mm 32mm,34mm,36mm,40mm,42mm,44mm

Thread Drill Bits---Diameter: 51mm  to 127mm

Thread Type---R22,R25,R28,R32,R38,T38,T45,T51
Face Shape---Plate, Concave, Convex.

Bit Shank & Coupling sleeve---R22,R25,R28,R32,R38,T38,T45,T51

Down-The-Hole Tools

1) DTH BIT---65MM to 254mm.

2) DTH Hammer---76MM /90MM /110MM

3) Face Shape

Convex---Suitable for soft rock ( less than 1033.5bar)

Concave---Suitable for medium-hard rock (1033.5bar~2067bar)

Plate ---Suitable for had rock ( more than 2067bar)

Drill Rod

Steel Drill Rod---H19/H22, Length: 0.5M to 6.0M.

Thread Rod---R25,R28,R32,R38,T38,T45,T51.

Integral Drill Rod---H19/H22, Diameter---20mm - 42mm