3'', 4'', 5'', 6'', 8 inch, 10 inch, 12 inch hammers (85mm-381mm) high air pressure DTH bits:
3 Inch High air pressure DTH Bit;
4 Inch High air pressure DTH Bit;
5 Inch High air pressure DTH Bit;
6 Inch High air pressure DTH Bit;
8 Inch High air pressure DTH Bit;
10 Inch High air pressure DTH Bit;
12 Inch High air pressure DTH Bit.
1. Hammer type: DHD/COP/QL/Mission/SD/BR/Mach.
2. Flat, concave, convex, drop center.
3. Spherical, ballistic, semi-ballistic.
4. Application range: water well drilling. casing syetem.
5. Certificate: ISO9001:2008.