This Simpson Trim Head Deck-Drive™ DWP WOOD Screw is ideal for outdoor projects requiring a corrosion-resistant fastener

they are as tough and reliable as they are easy to install

this product is ideal for construction

this fully threaded

1/4-20 x 1 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Package (100) ITW Heavy Duty Tek Screws Climaseal This Simpson Trim Head Deck-Drive™1 4 20 x 1 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA Package (100) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion resistant coating, ideal for high performance and structural applications.