GALV HX BOLTS 5/16X3-1/2 *Brand Name: HILLMAN *Head Diameter: 5/16 in. *Length: 3-1/2 in. *Finish: Hot Dipped Galvanized *Material: Steel *Product Type: Hex Bolt *Number in Package: 50 pk *Grade: 2 Grade *Thread Type: Coarse *Packaging Type: Boxed *Unit of Measurement: Metric