2018 Hot Sale High Quality retractable rock drill bits

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 rock drill jack hammer bit /diamond rock drill bits / rock drill button bit

Made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands,and transmit intensive impact energy into the rock with the least possible loss of energy.

According to different drilling application, we have different design to meet customers with good quality and good price .

No matter what kinds of rock—Soft rock, loose-medium rock, hard rock and any other special formations, just tell us what you need and leave others at our disposal, we will handle the following, our special Tailored service is waiting for you upon your demand.

The types of retractable rock drill bits :

I .Taper connection rock drill head.

1.> Chisel Type Bits (The diamater from 32 to 60mm)

2.> Cross Type Bits (The diameter from 32 to 60mm)

II. Screw Joint rock drill head,screw connecting sleeve .

1.>R-screw drill bits,screw connecting sleeve. ( R28,R32,R38 The diameter is form 38 to 102mm)

2.>T-screw drill bits,screw connecting sleeve. (T38,T45,T51 The diameyer is form 76 to127mm)

 rock drill jack hammer bit /diamond rock drill bits / rock drill button bit

III. Down the hole impact drill .

1.Down the hole rock drill with low air pressure. (The diameter from 66 to 140mm)

2.Down the hole rock drill with high air pressure. (The diameter from 90 to 178mm) 

 Some Pictures of retractable rock drill bits :

 rock drill jack hammer bit /diamond rock drill bits / rock drill button bit

 rock drill jack hammer bit /diamond rock drill bits / rock drill button bit

Specifications of  DTH rock drill bit manufacutre :

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