Grade 5 Hex Cap Screw Nut and Washer Assortment (330-Piece)

Assortment contains various sizes of grade 5 hex head cap screws, nuts and washers. Grade 5 hex cap screws display 3 radial lines on the top of the head and are hardened to increase strength. Hex cap screws feature a hexagonal head that is utilized during the tightening of the fastener.|Kit contains the following Gr.5 hex cap screws: 1/4-20 x 1/2 15-pieces 1/4-20 x 3/4 15-pieces 1/4-20 x 1 15-pieces 5/16-18 x 3/4 10-pieces 5/16-18 x 1 10-pieces 5/16-18 x 1-1/2 10-pieces 3/8-16 x 3/4 10-pieces 3/8-16 x 1 10-pieces 3/8-16 x 1-1/2 10-pieces|Kit contains the following Gr.5 hex nuts: 1/4-20 35-pieces 5/16-18 25-pieces 3/8-16 15-pieces|Kit contains the following Gr.2 washers: 1/4 USS flat washer zinc plated 35-pieces 5/16 USS flat washer zinc plated 25-pieces 3/8 USS flat washer zinc plated 15-pieces 1/4 lock washer zinc plated 35-pieces 5/16 lock washer zinc plated 25-pieces 3/8 lock washer zinc plated 15-pieces|All items are zinc plated (coarse thread)|Grade 5 hex cap screws have a tensile strength of 120,000 psi