7 Degree 34mm Taper Button Drill Bits

34mm 7 degree tapered rock button bit with 8 buttons This is the 8 tips carbide button 7 degree taper button bit 34mm, it is made by YG8 carbide and steel with forging or cold pressing process. They are use for small hole drilling in mining and rock drilling. Except for 34mm taper button bit, we also supply mining button bit with 30mm, 32mm, 36mm, 38mm, 40mm and the taper degree have 6, 7, 11, and 12, button quantity with 4 tips, 5 tips, 6 tips and 7 tips also. Except for taper button bit, we also supply thread button bit, dth drilling tool and drill rods. Quick detail of tapered rock button bit  Product name Taper button bits Size 34mm Material Carbide tips and 42CrMo Taper degree 7  Button quantity 8 Application Rock drilling and ore mining…