BUTTON BIT – CHANG SHIN INTERNATIONAL CO., LTD.
CS Button Bits Specifications. ROCWING 240 is a concentric overburden bit for a hard formation rock bed. Because of enclosed rocwing bits, it shows the most efficient and powerful performance in ground drilling jobs. CSI is supplying diverse overburden bits such as 'Eccentric Type', Wing Type', 'Symetric Type' and 'Hemi Type'.Get Price