5/16″ x 4″ 18-8 Stainless Steel Hex Head Lag Screws

Diameter: 5/16″ Length: 4″ Material: Stainless Steel Head Style: Hex (1/2″ Wrench) Point Type: Gimlet Thread Length: Partial Hardness: 18-8 Type: Hex Lag Screw A lag screw is similar to a wood screw, but generally is much larger with a hexagonal head. Lag bolts are designed for securely fastening heavy timbers to one another, or to fasten wood to masonry or concrete.