Fractional Sizes for Fillister Head Cap Screws

Model No. Pilot & Cutting Sizes Shank Dia. OAL 2-SC-1/4 1/4 x 13/32″ 5/16″ 3-5/8″ 2-SC-5/16 5/16 x 15/32″ 3/8″ 4″ 2-SC-3/8 3/8 x 19/32″ 7/16″ 4-3/8″ 2-SC-7/16 7/16 x 21/32 1/2″ 4-3/4″ 2-SC-1/2 1/2 x 25/32″ 9/16″ 5-1/8″

Machine Screw Sizes for Fillister Head Machine Screws

Model No Screw Size Pilot Size Cut Size OAL Size 2-SC-2 2 .085″ .155″ 2-1/2″ 2-SC-2 3 .098″ .176″ 2-1/2″ 2-SC-4 4 .111″ .198″ 2-5/8″ 2-SC-5