34mm 6 Buttons 7 Degree 11degre 12 Degree Tapered
2 days agou2002·u2002According to the tungsten carbide insert, button bits can be divided into types of hemispherical, conical and parabolic button, etc.Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high […]
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