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89mm tungsten carbide button bits

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14 buttons T38 Thread Button Bits for Drifting Tunneling Drilling Diameter 89mm T38-89 14 Buttons spcifications: Thread: T38 Diameter:89mm Buttons Gauge Buttons: 8*12mm Front ...
Hunan, china
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14 buttons T38 Thread Button Bits for Drifting Tunneling Drilling Diameter 89mm T38-89 14 Buttons spcifications: Thread: T38 Diameter:89mm Buttons Gauge Buttons: 8*12mm Front ...
Hunan, china
Verified
T45 89mm Threaded Button Bit For Top hammer Drilling With Long Service Life T45 Thread button drill bits are made with high quality of best quality alloy steel bar and tungsten ...
Henan, china
Member
T38 64mm 70mm 76mm Retract Bits Thread Rock Drill Bits T38 Retract rock drill button bit most popular size:64mm,70mm,76mm,89mm Characteristics 1. Reaming Drill Bit connect with ...
china
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