12" TH275 DTH Hammer for Deep Hole Drilling
Specifications
1.For deep hole drilling2.Reliable performance
3.Simple structure and easy operation,
4.Hole range:311-444
5.Long service
Usage:
Drill holes from 311 mm to 445mm.
Matched products:
drill rods with API 5 1/2"REG BOX
bits with Ql120,MACH120,SD12 shanks
Application fields:
all kinds of fields, such as mining, quarry, tunnel, bridge, construction and etc., but extremely exellent to use with casing tubes during casing drilling.
Features:
high impact power with low frequency, long service life, non-return flushing, reliable performance.
Techincal Parameters

Picture:
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