5/16" x 3-1/2", US, Hex head, Hot dipped galvanized steel
US Fasteners, 5/16" x 3-1/2", Hex head, Hot dipped galvanized steel |
|
---|---|
Hex boltsBolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts. |
Lag boltsLarge wood screws technically called lag screws. |