... steel Hardness:HB380~450 We specialized in manufacturing various end bit for all brands of Motor grader, Bulldozers,Excavator,Loader and ... Scraper. A) Part No.: Dozer end bit 195-71-61930 195-71-61940 for komastuB) Material: Boron ... end bits and other products. Komastu D375A-2 dozer end bit 195-71-61930 195-71-61940