5/16" x 4" Exterior Hex Head Structural Lag Screws
Exterior lag screws with low-profile washer head and heat-treated, corrosion-resistant coating for outdoor use. Customers note strong performance and easy installation without pre-drilling
Highlights
- washer-head design for flush finish
- self-tapping serrated threads
- heavy-duty corrosion resistance
Pros
- low-profile washer head design
- excellent clamping with no separate washer
- self-tapping serrated threads
- corrosion resistant HCR coating
- easier installation and reduced wood splitting
Cons
- mentions need for treated lumber compatibility not explicit
- no pre-drilling required noted but may vary by wood type
Best For
Features
- Low profile washer head design provides a sleek finish and strong clamping without a separate washer
- Patented thread technology enables faster driving into wood
- Easier installation with reduced wood splitting during driving
- High corrosion resistant HCR coating suitable for treated lumber and exterior use
- Heat-treated Grade 5 durability improves strength and reduces breakage with hex head drive
