1.Bit Diameter: 34mm 2.Size: Hex. 22mm 3.Button Bits: 7Buttons 4.Taper degree: 11 5.Applications: Quarrying, small hole drilling 6.Our tapered bits include button, cross and chisel designs. 7.Longer service life and lower drilling costs. 8.1, 12 tapered button bit with hot zinc-coating
