... in most lengths.button bits, cross type bits and chisel bits with(6,7,11,12 ... , CIR110, CIR150,CIR170etc,DTH drill bits:60mm-254mm bits with flat face, concave design fit ... bits for shield machine and construction tools.7. Round road planing bit for road milling machine and trenching ... machine. Shank dia: 19.4mm, 25mm,30mm,33mm,38mm,etc.8. Blast furnace tap hole drill tools.(Rod, Cross type bits ...