Specifications

1.For deep hole drilling
2.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

 

 

 

 

 

 

 

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