Need screws AND nuts
and lock washers across four UNC diameters
the Grade 5 UNC Starter Kit is the right choice
the sealed heat shrink sleeve prevents the corrosion that eventually fails standard crimp splices in wet environments
or where electrical isolation between the fastener and the panel is needed
2,625 Piece Grade 8 Hex Head Cap Screw, Nut, and Washer Assortment Refill Type_O Rings Need screws AND nutsThe same 2,625 piece Grade 8 coarse thread assortment as the Starter Kit without the bin. If you already own a 40 hole bin, this refill restocks 1 4" 20 through 1 2" 13 UNC bolts, nuts, and washers without paying for storage you already have. What's Included Grade 8 hex head cap screws 1 4" 20, 5 16" 18, 3 8" 16, 7 16" 14, and 1 2" 13, multiple lengths per size Grade 8 hex nuts matching every bolt size in the kit USS flat washers and high alloy lock