... reduced We are a professional productions base of series of shield cutters,TBM cutters,auger bits,mining ... etc.our products are replacements of kennametal and Betek. Such as: 1.Replacement of Kennametal Part No:C21, ... U84, U85, U92, U94, U95, U118 etc. 2.Replacement of Betek Part No: B47K17H, B47K19H, B47K22H, B43K, B43H, ... customer's sample or drawing. Replacement of Kennametal Part 18TL Bucket Teeth