STEEL ALLOY PINION GEARS
Steel alloy pinions are not heat treated and should only be used with plastic spur gears. Most commonly used on Kyosho and Tamiya electric cars and trucks. In sizes 12 through 24 teeth. 1/8 inch bore. One 5-40 set screw included. 1/16 inch allen wrench (NOT INCLUDED) fits the 5/40 set screw. .6 module Steel Alloy Pinions are not marked with tooth number.