The Simpson Flat-Head Deck-Drive™ DWP Wood Screws are made from 305 stainless steel

Phosphorous-0

it is corrosion-resistant for long-lasting durability

With a minimum embedment depth of 3

#10-32 x 1 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Package (100) 1 1/4-7 A325 Type 1 Heavy Hex Bolts Plain The Simpson Flat-Head Deck-Drive™ DWP#10 32 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.