Mansour Mining Technologies
Drill Bits and Steel
See Drill Bits and Steel products
Drill steel. Drill bits 1 1/4" tapered etc. Couplings. Drill steel straightening and tapering services.
7/8" hexagon drill steel for H-Thread drill bits
For use with furnace rods. Available in the following sizes 1 1/2", 1 5/8" & 2" dia.