34mm taper button bits - China Drilling Tools Limited
2021-10-1u2002·u2002Bit Diameter: 34mm-43mm. Length of drill rod: from 300mm to 8000mm including H19,H22,H25 drill rod. Button bit design: Flat face/standard skirt. Tungsten carbide (Buttons): Spherical, Ballistic and Conical. Applications: small hole drilling. We have different designs for various rock formations, longer service life to decrease use …
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