SPAX exterior washer head lag screws 5/16" x 6-3/4" heavy duty
Washer head structural lag screws designed for exterior wood connections. Features patented threads for faster driving and reduced splitting; heat-treated for durability. Includes a bit in the pail for easier installation; ICC-ES compliant for wood-to-wood use
Highlights
- Washer head design improves hold power
- Code recognized for structural use
- Includes installation bit
Pros
- Patented thread technology for faster driving
- Heat treated for durability
- Includes a bit in the pail
- ICC-ES building code recognized
- Exterior, rust resistant
Cons
- Bulk pail packaging noted
- Limited to wood-to-wood applications mentioned
Best For
Features
- Patented threads enable faster driving and reduced wood splitting
- Heat treated for improved strength and durability in structural connections
- ICC-ES listed for structural wood-to-wood applications with imperial size standards
- T-Star drive design provides corrosion resistance and better bit engagement
