Thread button bit,Threaded Drill Bits,Drill Bits Granite ...
76mm -T38 Thread bit Rock Drill Tungsten Carbide Button Bits drilling machine bench top hammer tools. Shank series:T38 thread button bit Bit face:Flat Face bit, Convex Face bit, Concave Face bit Button shape:Spherical Button Color:Gold or customized Applocation:DTH Hammer,DTH Drill Process:Forging+Machining+surface Treatment Place of origin ...
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