Low profile head diameter is twice the rivet body diameter

1/2-13 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/8-16 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (250)

1 1/4-7 x 12 6 A307A Hex Bolt Zinc Plated

#8 x 1 1/4 Simpson Deck-Drive™ DSV WOOD Quik Guard® Coating Screw (T25 6-Lobe) Tan - Box (350) 1/2-13 Grade 8 Hex Cap Screws Plain - Domestic USA Low profile head diameter isEquip yourself for mid sized decking projects with this 350 count box of #8 x 1 1 4" Simpson Deck Drive DSV WOOD screws. These premium imported fasteners are engineered from case hardened carbon steel for strength and are coated with a tan Quik Guard finish for reliable corrosion resistance. The T25 6 lobe drive offers positive engagement to prevent cam out, while the DSV's unique thread design ensures fast driving and a secure hold in wood materials.