Lag Bolt A lag bolt, also known as a lag screw or coach bolt, is a heavy-duty threaded fastener with a coarse, partially threaded shaft and a hexagonal or square head. These bolts are designed for heavy-duty applications and are typically used to securely fasten wood...
Hex Bolt A hex bolt, also known as a hexagon bolt or hex head bolt, is a threaded fastener with a hexagonal head that requires a wrench or socket to tighten or loosen. Hex bolts have a threaded shaft and a head with six flat sides, which allows for efficient torque...