5/16"-18 Stainless Steel Hex Cap Bolts / screws. These meet the ASTM F593 quality standards and are marked as shown.
Thread Size: 18 - Coarse (Standard) Thread
Length: Please select from drop down menu above.
Full Thread up to 1-1/4", partial thread beyond (PT)
Wrench Size: 1/2"
Type: Hex Cap Bolt / Screw
Matching Nut & Washers: 5/16-18 Available here
System of Measurement: U.S. / Inch
Material: Stainless Steel Grade A2 / 18-8 / 304
Specifications: ASME B18.21 / ASTM F593