KD55A DTH Hammer
https://www.kqdrill.com/product/high-air-pressure-dth-hammers/kd55a-dth-hammer.html
Hammer Length without bit:
1187(mm)
Top sub thread:
API23/8″REG PIN
Outside diameter:
126(mm)
Weight:
66(KG)
Bit diameter:
138-165(mm)
Working Pressure:
12-24(Bar)
Air consumption:
9-19(M3/min)
Bit shank:
DHD350R、COP54