Drifting and Tunnelling Button Bit

Same as taper button bits, thread button bits are most popular drill bits in the world now. It is suitable for powerful percussive drills and top hammers with high speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco 352 rocket boomer jumbo, Atlas Copco D7 roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660, and widely used in bench and production drilling, extensional drilling. Our thread button bit are made of high quality alloy steel bar and tungstencarb