High Quality Taper Chisel Bit - aokdrillingtools.com
2020-10-21 · With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity. We manufactuer various tapered button bits in different degrees as below: Bit diameter: 26mm to 60mm; Tapered degree: 4°46', 7°, 11°, 12°; Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm.
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