GAMMA Medium 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 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 Medium DTH Hammer Specifications
GAMMA-100 GAMMA-120 GAMMA-140 GAMMA-160
Bit Range 254-305 mm10" ~ 12" 305-457 mm12" ~ 18" 356-508 mm14" ~ 20" 432-610 mm17" ~ 24"
Bit Shank N100, SD-10, K220 N120, DHD112, SD-12, K270 N125, N120S, K320 SD-15, K370
Lengthw/o Bit 1580 mm 1893 mm 1900 mm 1930 mm
Weightw/o Bit 343 kg 680 kg 950 kg 1250 kg
Outer Diameter 230 mm 270 mm 320 mm 375 mm
Piston Stroke 129 mm 129 mm 129 mm 129 mm
Top Adapter Type API 6-5/8" Reg. Pin API 6-5/8" Reg. Pin API 6-5/8" Reg. Pin API 8-5/8" Reg. Pin
Air Consumption
PSI/BAR cfmm3/min cfmm3/min cfmm3/min cfmm3/min
150 / 10.3 71020.1 120034.0 120034.0 180051.0
200 / 13.8 110031.2 170048.1 170048.1 280079.3
250 / 17.2 149042.2 228064.6 228064.6 350099.1

Specifications are subject to change without notice.