High Drilling Speed Air Rock Drill Bits , Drill Bits For Water Well Drilling Description Hunan New Diamond offers top quality DTH hammers and bits whi...
COP32 Alloy steel DTH impact bit drilling tool DTH Drill Bits Description Durable The alloy steel is very strong and has long service life. easy opera...
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. Long life of the drill bit: the alloy just has a long service...
High Precision Hole Opener Bit Drilling Tool For Coal Mining , ISO Standard Description New diamond DTH hole openers can provide hole enlargement for ...
ND45A Hole Opener Bit Drilling Tool For Drifting And Tunneling Machine Description New diamond DTH hole openers can provide hole enlargement for vario...
SD8 Alloy steel material for DTH hammer bits with tail pipe Description 1. Long life of the drill bit: the alloy just has a long service life and is h...
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. use high quality alloy steel, good wear resistance. 2. under ...
Model Number : BR3/COP32/ND35(IR3.5、COP34)/NQL30(COP34)
Place of Origin : Hunan, China (Mainland)
Minimum Order Quantity : Negotiable
3 inch DTH Button Bits for High Air pressure bit Description Down the hole hammers are connected with down the hole bits to do the drilling works. New...
Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of dril...
QL50 Carbide steel DTH hammer bits with tail pipe Description the modern theory is adopted in the structural design, which makes the stress wave durat...