3/8X2 1/2 Indented Hex Flange Lag Screw Grade 2 Hot Dip Galvanized (Pack Qty 275) BC-3740LFG

Useful in constructing decks and also popular in timber assembly. Preferred by some over traditional lag screws because flat washers are not AISI 1006 - 1022 or equivalent steel Rockwell B70 - B100You may also like M3.5-0.6X5 Din 7985 A Metric Phillips Pan Machine Screw Full Thread 18-8 Stainless Steel (Pack Qty 4,000) BC-M3.55MPP188.