8-1/2 Tungsten Carbide Insert Bit Roller Cone Drill Bit Rock Roller Bits for Core Barrel For Machines :The products adapt to the machine with all the ...
Tricone Replaceable Carbide Rock Drill Bits Drilling Rig Drill Bit for Hole Opener The products adapt to the machine with all the performance features ...
12 1/4' Cone Rock Roller Drill Bits for Rotary Drilling Machines The products adapt to the machine with all the performance features such as a high .....
Product Description Rotary Piling Tools 8 1/2 Replaceable Type Roller Bits Drilling Bits For Core Barrel and Reamer The products adapt to the machine ...
Roller Bits Tricone Bits Steel Tooth Bit for Rock Drilling Tools in Piling Works Product Description Specification of Roller Bits Size TC Bit Dia.(mm) ...
Forging Processing Steel Tooth Rotary Bits, Single Roller Cutters For Core Barrel Roller bits are tools for boring into rock and earth. They are used ...
Rotary Piling Tools 8 1/2 Round Insert Teeth Single Rock Roller Bit For rotary Drilling Rig Roller bits are tools for boring into rock and earth. They ...
8-1/2 Roller Bits Hard Rock Roller Cones for Core Barrel and Reamer For Machines :The products adapt to the machine with all the performance features ...
Reliable Bore Hole Drill Bit Roller Bit for Rotary Drilling Tools Core Barrel in Bored Piles 1.Cutting Structure The wear-resistance of the teeth is ....