SPAX 1/4" x 4-1/2" Washer Head Structural Lag Screws
Washer head lag screws with heat-treated Grade 5 durability and patented thread serration for faster driving and reduced wood splitting. Includes a bit; customers note some variance on bit inclusion
Highlights
- torx t-star compatibility
- heat-treated durability
- largest selection of code-recognized fasteners
Pros
- corrosion-resistant design
- patented thread serration for easier installation
- heat-treated for durability
- large selection of structural wood fasteners
- includes a bit
Cons
- mixed feedback on bit inclusion
- some users expect a specialized bit
Best For
Features
- Patented thread serration enables faster driving and reduces wood splitting
- Heat-treated Grade 5 durability for stronger, longer-lasting connections
- ICC-ES recognized T-Star drive with 6-lobe design for better bit engagement
- Largest selection of code-recognized structural wood-to-wood fasteners in the industry
- T-Star drive is compatible with industry standard bits for easier installation
