1/4" x .264 Step Pilot for Reverse C'sinks and Spotfacers 5/16 Shank STS61001213

Diameter (A) 1/4" x Length from front of locking slot .531" +.015"

Diameter (B) .264" -.002" x .540" +/-.015"

Shank Diameter 5/16"

Overall Length 5-3/8" +/-1/8"

Bayonet Lock Style

Ref. 186-5 Modified