Bridgeport Slotting (Model E) Head Pinion Gear Shaft ...
Bridgeport Slotting (Model E) Head Pinion Gear Shaft. Our replacement Pinion Gear Shafts are made to surpass the original specifiions and are direct, dropin replacements. They are made from high quality American made 4140 material that is Turned, Hobbed, Heat Treated for toughness and longevity, and then Cylindrical Ground to dimension.