Alloy steel Button Bit, Brand Name : S.U.G

We offer button bits parameter: thread: r22, r25, r28, r32, sr35,r38, t38, t45 ,t51 diameter: 38-127mm. button bits face design: flat face, convex face, drop center face,dome face; button bits carbides style: hemi-spherical(round), parabolic(semi-ballistic), ballistic(conical); our button bits can match atlas copco series drill rod, furukawa series drill rod,ingersoll rand series drill rod,tamrock series drill rod,sandvik series drill rod,montabert series drill rod,toyo series drill rod,krupp series drill rod,and etc.