Description:

These Zinc Steel Hex Head Lag Screws provide heavy duty holding power for attaching heavy objects to wood or anchoring into masonry. The deep coarse threads bite in and pull tight to ensure a strong structural hold.

• Size: 5/16 inch x 3 inch
• Quantity: 100 pieces
• Material: Zinc plated steel
• Drive System: External Hex head for use with wrench, socket, or impact driver
• Thread Type: Unified National Coarse UNC
• Thread Coverage: Partially threaded
• Thread Pitch: 18 threads per inch
• Point Style: Sharp
• Finish: Zinc plating for moderate rust and corrosion protection
• Applications: Ideal for deck ledgers, framing, fence posts, retaining walls, and hanging heavy items into studs or joists
• Outside Diameter: 0.3125 inches
• Head Style: Hex