Helical Drive Pinion Gear

This is a Helical Drive Pinion Gear for a Webster & Bennett 48" series DH right or left handed, normal, high, or super high speed drive boring mills, as well as a 48" series DH left handed low speed drive. It also fits a 48" series M right handed normal and slow drive boring mills, as well as 48" series M left handed fast and high drives boring mill.