Mach 20 DTH Hammer and Mach 44 DTH Hammer
Mach 20 DTH Hammer and Mach 44 DTH Hammer
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Basic Infomation
Place of Origin: China
Brand Name: ROSCHEN
Certification: API
Model Number: Mach 20 , Mach 44
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Mach 20 DTH Hammer


Mach 44 DTH Hammer


Mach 44 DTH Hammer bit

Payment & Shipping Terms
Packaging Details: Wooden Box
Supply Ability: 1000sets/M
Product Description


Mach 20 DTH Hammer and Mach 44 DTH Hammer



2inch Mach 20


The valved design of the Mach 20 provides high performance at low pressure. A non -return valve is fitted to prevent flooding when drilling in water.

The Mach 20 has a strong robust design to withstand heavy duty applications. The Mach 20 is fitted with adjustable chokes to give three levels of air volumes for different drilling conditions. The unique drill bit design for Mach 20 does not use foot valve which reduces the possibility of hammer failure.

Mach 20 shank has a long service life reduces contact stresses and wear rates.

Suitable for operation at air pressures of 100-250psi(7-17bar). Drilling diameters of 70-76mm(2 3/4-3”).


Hammer Overview
Hammer Type Mach 20 Mach 20
Part Number 600196 600196
Shank Halco Mach 20 Halco Mach 20
Top Thread 50mm DIN 405 6TPI BOX 40mm DIN 405 6TPI BOX
Hammer Flat Size 48mm(1.890") 48mm(1.890")
Weight 13Kg 13Kg
Outside Diameter 62mm(2 7/16") 62mm(2 7/16")
Make Up Length 840mm(33") 840mm(33")
Recommended Maximum Thrust 150Kg(330 lbs) 150Kg(330 lbs)


Mach 20 DTH Hammer and Mach 44 DTH Hammer 0


4” Mach 44


The Mach 44 is a general purpose hammer suitable for all rock conditions at a wide range of air pressure.

With a proven track recode of performance and reliability, the Mach 44 operates at a high frequency which makes it ideal for broken unstable ground conditions.


Hammer Overview
Hammer Type Mach 44
Part Number 600070
Shank Halco 4
Thread Connection 2 3/8" API Reg Pin Up
Minimum Bit Diameter 110mm
Hammer Flat Size 65mm(2.560")
Weight 35.3Kg(77.82lbs)
Outside Diameter 95mm(3.75inch)
Length (shoulder to shoulder) 1000mm(39.38")
Minimum weight on Bit 250Kg(550 lbs)



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Tel : 13764195009
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