Length: 3"
Size: 1/4"
Head: Hex washer head 3/8"
Grade: 5 Durability
Finish: Zinc plating
Country of origin: Germany
Recommended for: 

• Wooden Brackets   P: 6" To 11" | P: 12" To 18" | P: 19" To 23" | P: 24" To 30"
• Wooden Brace  P: 6" to 16" | P: 17" and 20"
  
• Wooden Corbels

 
To Cover Hex Head use Cedar Plug 3/4" 

• Spax Lags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction.
• Built on washer head design offers excellent draw down without the need for a separate washer.
• Patented thread serrations eliminate the need for pre-drilling in wood and require up to 40% less driving torque.