Series button drill bits:

Down-the- hole bit  from 90mm 100mm, 105mm, 115mm, 130mm, 140mm, 152mm 165mm 178mm, etc.
  products are:
1.   DHD hammer  DHD3. 5/DHD340/DHD350R/DHD350Q/DHD360/DHD380, etc.
2.   DTH bit  from 90mm, 100mm, 105mm, 127mm, 130mm, 140mm, 152mm, 165mm, 178mm, 203mm, 216mm 254mm, etc.

A. TD35(COP34) DTH Hammer

B. CIR& J Series low air pressure DTH Bits, DTH Hammer Bit

C. 3" High air pressure DTH Bits, DTH Hammer Bit

D. 4" High air pressure DTH Bits, DTH Hammer Bits

E. 5" High air Pressure DTH Bits, DTH Hammer Bits

F. 6" High air Pressure DTH Bits, DTH Hammer Bits

G. 8" High air Pressure DTH Bits, DTH Hammer Bits

Button Bit:

A. Taper button bit

33mm, 38mm, 44mm.

B. Thread Button Bit

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