Specifications

1.best heat treated
2.high structure alloy steel
3.easy operation
4.long service life
5.Hole size:203-271mm

Matched products:

89mm drill rods with API 4 1/2"REG BOX

 bits with COP84.DHD380,Mission80,QL80,SD8 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.

 

Quality Guarantee:

Products with any problem caused by unqualified material and maching,will be replaced

with providing photos of broken parts serial number

 

 

Techincal Parameters:

 

 

 

 

 

 

Photos:

 

 

 

 

Matched bit: