5/16X5 Hex Lag Screw Galvanized Gimlet Point (Pack Qty 150) BC-3180LG

Steel: AISI 1006 - 1022 or equivalent steel.: Steel: 60,000 psi. minimum. Rockwell B70 - B100 Stainless: 18-8 stainless. Stainless: 100,000 - 125,000 psi. (approximate). Stainless: 1/4 through 1/2 in. diameter-- Rockwell B95 - C32 The minimum length of thread shall be equal to 1/2 the nominal screw length plus 0.50 in., or 5.00 in., whichever is shorter. Screws too short for this formula shall be threaded as close to the head as practicableYou may also like M8-1.25X60 Din 965 Metric Phillips Flat Machine Screw Full Thread 18 8 Stainless Steel (Pack Qty 250) BC-M860MPF188.