... degree taper) taper rods in most lengths.button bits, cross type bits and chisel bits with(6,7,11,12 degree taper).Bit ... pressure hammers CIR65a, CIR90, CIR110, CIR150,CIR170etc,DTH drill bits:60mm-254mm bits with flat face, concave design fit for the atlas ... . All kinds of casing bits for shield machine and construction tools.7. Round road planing bit for road milling machine and trenching machine ...