Heavy-duty construction lag screws designed for structural wood fastening, timber framing, decking, and large-scale outdoor construction projects. The star drive design reduces cam-out for smooth installation, while the hardened steel construction provides exceptional strength and reliable holding power.

• #15 x 4 in. size ideal for heavy-duty structural wood applications
• Star drive head reduces slipping and improves driving efficiency
• Hardened steel construction delivers superior durability and strength