36mm，38mm，40mm，42mm,7° Taper Button Bit
—MAXDRILL Tapered button bits
Used for hard or very hard rock formation. Excellent quality and durability and Specialized heat treat & stress relief，also Maximum performance and hole cleaning ability
(1) Type: button bits
(2) Size: Size: 19mm, 22mm, 25mm
(3) Diameter: 30-42mm.
(4) Taper: degree 4°46′ 6°, 7°, 11°, 12°.
(5) Package: in wooden case or in carton.
(6) Productivity: 50000pcs/ month
Our tapered bits include both cross and button designs.
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