34mm taper button bits - China Drilling Tools Limited
2021-8-11 · And our tapered drill bits including tapered button bits, tapered chisel bits, tapered cross bits etc. The tapered drill bits including 6°,7°,11°,12° etc and we also can produce the taper degree according to your request, And the tapered drill bits can be used on H19, H22 and H25 tapered …
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