Lag Screws Hex Low Carbon Zinc CR+3 1/2-6 x 1 3/4 are heavy-duty fasteners designed for secure timber connections. Crafted from low-carbon steel and finished with CR+3 zinc coating, these hex lag screws deliver strong holding power and enhanced corrosion resistance for both indoor and outdoor projects. The 1/2″ diameter with 6 TPI and a length of 1-3/4″ make them ideal for demanding wood-to-wood applications.

Key features

• Hex head for easy driving with standard wrenches or drivers
• Low carbon steel construction provides a balance of strength and ductility
• CR+3 zinc coating offers superior corrosion resistance in challenging environments
• Size: 1/2″ diameter, 6 TPI, 1-3/4″ length
• Designed for heavy timber connections with strong pull-out resistance

Specifications

• Diameter: 1/2 in
• Thread: 6 TPI
• Length: 1-3/4 in
• Finish: CR+3 zinc coating
• Material: Low carbon steel
• Head type: Hex

Applications

Ideal for decking, timber framing, fence posts, and other wood-to-wood connections where a strong, durable fastener is required. Use with a compatible driver or wrench for secure installations. Pre-drilling and proper alignment are recommended for hardwoods or dense species to prevent splitting.