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: 1-1/4 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: 20 x Socket Head Cap Bolts/Screws. Socket Head Cap Screws are great to have around for use in wood and wet environments. Product Specification
Socket caps have a small cylindrical head with tall vertical sides. Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

System of Measurement : Inch
Thread Diameter : 5/16"
Head Diameter : 15/32"
Head Height : 5/16"
Screw Length : 1-1/4"
Allen Hex Drive : 1/4"
Material : High Quality 304 Stainless Steel (A2-70)
Finish : Bright Finish

Package Included
20 x Socket Head Cap Bolts/Screws 5/16-18 x 1-1/4 Inch

Warranty
MewuDecor hardware has the highest quality on the market. Buy with confidence. Money back or exchange guarranteed.