Much thicker than standard wood screws 1/4 inch Lag Bolts have a 7/16 inch hex head. The fastener length is measured under the head. The thread length is typically 2/3 of the fastener length Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load. Hillman 1/2-in Zinc-Plated Hex-Head Lag Screws - 25/Pk 230146 1/4 X 6 Inch Lag Bolts PRIME-LINE 9055422 Hex Lag Screw 1/4in X 6in A307 Grade A Zinc Plated Steel Zinc Plated Steel Wood Screws Wood screw with a 6-sided hex bolt head Ideal for heavy-duty projects, these lag screws provide superior holding power with easy hex head installation. Ideal for heavy-duty wood joining, with galvanized steel for superior corrosion resistance and a hex head for easy installation Diameter & Length: 1/4 inch X 6 inch The hex head allows for it to be tightened with more torque than can be used on a phillips head screw.
