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Tungsten Carbide Conical Rock Drill Button Bits

2025-04-13 introduction 4730
40mm 4buttons
Non-Customized
SGS
Taper-length
Tapered Button Bit
35CrMoA
Well Drilling, Metal Drilling
Blue Red Ect
Heat Treatment
New
Mining
Firip
Wooden Case. Plastic Box
40mm
Putian Fujian
8207199000
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