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ROK 400 DTH Hammer

ROK 400 DTH Hammer
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Rockmore manufactured 4" DTH Hammers, High Quality, Fast Penetration.
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Rockmore 4" DTH Hammers are manufactured in the United States of America and also in Rockmores new Austrian Facility. Built with precision engineering from the latest in technology the Rockmore DTH Hammers are a world leader.
Specifications:
Bit Shank Design: Ingersoll Rand DHD 340A,  Atlas Copco COP 44,  BULROC HYPER 41,  Secoroc 4" / 4"Q,  Mincon 4
Bit Diameter: 115mm - 127mm
Weight: 32.1 kg / 70.8 Lbs
Top Sub Thread: 2 3/8" API Reg Pin,  2 7/8" API Reg Pin
2 3/8" API IF Pin,  2/ 3/8" API Reg Box
Part No. Austria / USA 50040 / ROK 400-001,   50041 / ROK 400-002
50042 / ROK400-004,    50043 / ROK 400-005
Length: 898 mm
Diameter 1: 98 mm
Diameter 2: 64 mm
Air Pressure: 150 - 350 psi / 10.4 - 24.1 bar
SonicFlow 1 150 x 27

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