8 spline 470mm DTH hammer bits for rock chisel drilling tool SD12A Description 1. Long life of the drill bit: the alloy just has a long service life and is higher than similar products; 2. High drilling ... Read More
8 spline 470mm DTH hammer bits for rock chisel drilling tool SD12 with tail pipe Description 1. Long life of the drill bit: the alloy just has a long service life and is higher than similar products; 2. High ... Read More
ND45A Hole Opener Bit Drilling Tool For Drifting And Tunneling Machine Description New diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ... Read More
High Precision Hole Opener Bit Drilling Tool For Coal Mining , ISO Standard Description New diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, ... Read More
Description NEW DIAMOND Eccentric overburden casing drilling system: Eccentric casing drilling bit is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the ... Read More
COP54 DTH Drill Bits bit for high wind pressure engineering drilling Description: The hard alloy steel bit used in drilling in hard macadam is not only beneficial to rock breaking, but also has a longer life ... Read More
High air pressure DTH drill bits for SP580 shank Cemented carbide steel Description Hunan New Diamond offers top quality DTH hammers and bits which have been tested in the hardest rock formation. Our bits use ... Read More
Description Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide ... Read More
COP84 (DHD380) 203-305mm high air pressure energy saving DTH Drill Bits Description The use of high quality steel and hard alloy as raw materials, through a special heat treatment process, ball tooth bit can ... Read More
Big Size 16 Gauge Downhole Drilling Tools For Geological Exploration Description New diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ... Read More