Grade 8 cap screws are recommended for high stress applications. Grade 8 bolts are compatible with grade 8 nuts and washers of the same threading and finish. Hex head cap screws are typically used to create a bolted joint in which a threaded shaft fits a.
Steel yellow zinc finish
Coarse thread
150,000 psi minimum tensile strength
Washer face under the bolt head
1/2-13 in. x 3 in. GR8 Zinc Yellow External Hex Head Cap Screw (50 per Pack)
