Spax 5041394 Power Lags 0.312 x 6 in. Washer High Corrosion Resistant Carbon Steel Lag Screw, Black - Pack of 25

Spax T-Star Washer Head construction fasteners with HCR coating are intended for wood-to-wood connections in exterior structural applications when attaching treated lumber components. These fasteners are designed with a low profile large diameter wafer head for applications requiring additional surface area under the head for superior pull-down force. Ideal for deck ledger attachment and multi-ply beam applications. Cold-rolled "carbon steel" wire heat treated to Grade 5 durability and plated with an HCR (High Corrosion Resistance) double barrier coating. "HCR" is tested and recognized for use in ground contact pressure treated lumber for exterior, freshwater general construction applications.

• Allow for quicker, easier fastening
• Multi-ply LVL beam assembly
• Multi-ply girder truss assembly
• Specialty Screws
• Pack of 25

• Finish: High Corrosion Resistant
• Grade: 5
• Head Type: Washer
• Length (in.): 6
• Material: Carbon Steel
• Thread Type: Serrated
• Size: 5/16
• Head Diameter (in.): 0.776 in.
• Head Height (in.): 0.140 in.
• Drive Size: T-40
• Drive Style: Star
• Color: Black
• Thread Length(in.): 2.375 in.
• Country of Origin: United States of America
• Weight: 1.92 lbs