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 or metal to wood structures. Lag bolts are commonly used in construction, woodworking, and outdoor applications.

Sizing Ranges

Diam. #10 thru 1 1/4″


Hex Lag Bolt, Square Lag Bolt, Round Lag Bolt, Flat Lag Bolt, Hex Washer Head Lag Bolt, Structural Lag Bolt, Screw Thread Lag Bolt


Ceramic, Teflon, Zinc

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