Bench and Production Drilling, Bench and Production ...
The products are widely used in bench and production drilling, extensional drilling. Specification of T38 Drill Bits , kindly check below: Thread type: T38. Head diameters: 57mm ~ 115mm. Face designs; Flat Face, Drop Center, Uni-face; Carbide shape: Dome, Ballistic , Semi-Ballistic, Skirt designs: Standard, retrac, straight retrac
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