GAMMA Large DTH Hammers
The Gamma DTH hammers are produced from the latest technology and highest quality materials under strict quality control.

The Gamma DTH hammers are a valveless design with efficient and powerful impact energy, and are your best partner to with hard rock materials. They can be operated over a wide range of air pressures. Each hammer has a designed hole drilling size range. The GAMMA hammers are supplied with API regular/Beco pin top adapter as standard, but other alternatives can be supplied as an option. The GAMMA DTH hammers can be ordered with different type of bit shanks according to customer needs.

If you want durable and dependable drilling equipment with a powerful drilling penetration rate at a competitive price, MAXA is your answer.

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GAMMA Large DTH Hammer Specifications
GAMMA-180 GAMMA-240 GAMMA-280 GAMMA-330
Bit Range 458-610 mm18" ~ 24" 610-864 mm24" ~ 34" 711-1016 mm28" ~ 40" 838-1200 mm33" ~ 48"
Bit Shank N180, SD-18, K410 N240, K520 MX280, K610 MX330, K700
Lengthw/o Bit 2190 mm 2473 mm 2549 mm 2422 mm
Weightw/o Bit 1646 kg 2562 kg 3820 kg 5500 kg
Outer Diameter 410 mm 533 mm 633 mm 736 mm
Piston Stroke 148 mm 158 mm 158 mm 158 mm
Top Adapter Type API 8-5/8" Reg. Pin API 8-5/8" Reg. Pin 10" Beco Pin 10" Beco Pin
Air Consumption
PSI/BAR cfmm3/min cfmm3/min cfmm3/min cfmm3/min
100 / 6.9 108030.6 187053.0 232065.7 327092.6
150 / 10.3 200556.8 330093.5 4100116.1 5780163.7
200 / 13.8 305086.4 4960140.5 6160174.5 8600243.6

Specifications are subject to change without notice.