|   FLOOR BOARD SCREWS TORX DRIVE FLAT HEAD Phosphate & Oil Finish Recommended Drill Size 7/32 Recommended Drill Size 9/32 Dia Length Drive Size Part # Qty Dia Length Drive Size Part # Qty 3 1 T-30 100 1 T-40 50 1-1/4 T-30 100 1-1/4 T-40 50 1-1/2 T-30 100 1-1/2 T-40 50 2 T-30 50 2 T-40 50 5/16 2-1/4 T-30 50 2-1/4 T-40 25 -18 USS 1/4 2-1/2 T-30 50 2-1/2 T-40 25 Thread -20 USS 3 T-30 50 3 T-40 25 Thread 3-1/2 T-30 25 3-1/2 T-40 25 4 T-30 25 4 T-40 25 4-1/2 T-30 25 5 T-40 25 5 T-30 25 » Type F thread forming. 6 T-30 25 » Flat head. 3-30 | 








