Midwest Fastener 5581 Screw Lag Hex Galvanized .37 x 3

Diameter: 3/8"
Length: 3"
Material: Steel
Finish: Hot Dip Galvanized
Head Style: Hex (9/16" Wrench)
Point Type: Gimlet
Thread Length: Partial
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.