Mitsubishi Materials USA Rock Tools

Mitsubishi Materials Corporation has been developing percussion rock drilling tools for over 70 years in Japan, making it a leader in helping to achieve remarkable technological innovations that have propelled the mining, construction and quarry industries to the highest drilling efficiencies. Mitsubishi Rock Tools products are manufactured from highly wear-resistant steel and our own in-house produced tungsten carbide inserts. These tungsten carbide inserts are designed and produced by using the most advanced technology. This combined with our own developed special steel bodies provide unbeatable consistent quality. Also each bit body is marked with a manufacturing lot number that allows for precise tracking and control throughout the whole process. Products offered include the MD Hammer, SMB, UMB, DTH Bits, Top Hammer GT60 as well as a wide range of standard and custom percussion drilling drill bits, drill steel, casing advancement systems and accessories. We offer thread sizes of R25, R32, R35, T38, T45, T51 and some T60 products.