US, Zinc plated grade 5, 5/16"-18 x 3-1/2"
US Fasteners, Zinc plated grade 5, 5/16"-18 x 3-1/2" |
|
---|---|
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. |
Carriage bolts & Plow boltsBolts with no drive and machine threads for use with a nut. |