5/16-18 x 1" (1/2" to 3" Available) Socket Head Cap Screws, Allen Socket Drive, Stainless Steel 18-8, Bright Finish, Full Thread, Pack of 25

The socket head cap screws are 100% stainless steel 304 (A2-70) which offers a high level of chemical resistance. | Thread Diameter: 5/16 Inch; Thread Length: 1 Inch (Head not Included); Thread Count: 18. | Head Diameter: 15/32 Inch; Head Height: 5/16 Inch; Drive Type: Allen Hex Socket 1/4 Inch; Color: Bright Finish. | Package Included: 25 x Socket Head Cap Bolts/Screws. | Socket Head Cap Screws are great to have around for use in wood and wet environments.