1/4" HSS Step Pilot for Reverse C'sinks and Spotfacers 5/16" Shank STS1020201510
Pilot Diameter 1/4" x Length from front of locking slot .510" +.030" (For use with reduced overall length spotfacers)
Shank Diameter 5/16"
Overall Length 6" -1/8"
Bayonet Lock Style
Ref. 186-5