Description
Lag Screws Hex 316 Stainless Steel 5/16 X 3-1/2" are heavy-duty fasteners designed for demanding outdoor and marine settings. Built from 316 stainless steel, they resist corrosion, staining, and rust in harsh environments, making them ideal for decks, fences, docks, and other exterior installations.
The hex head provides high torque transfer and easier driving with a compatible bit, while the lag screw thread design creates a secure hold in wood and other timber substrates. Sized at 5/16" diameter by 3-1/2" length, these lag screws are long enough to bite deeply into studs, posts, or heavy timbers for reliable anchoring.
Key features
- Material: 316 stainless steel for superior corrosion resistance in salt air and wet environments
- Size: 5/16" diameter x 3-1/2" length
- Head type: Hex lag screw head for high torque driving
- Application: Ideal for outdoor structures, marine installations, and other timber fastenings
Why choose 316 stainless steel lag screws?
316 stainless steel offers excellent resistance to rust and staining from exposure to moisture, chlorides, and chemicals. This makes these lag screws a durable choice for decks, fences, marinas, bulkheads, and other exterior projects where standard stainless or carbon steel fasteners would corrode over time.
Usage tips
- Pre-drill pilot holes to prevent timber cracking and ensure precise alignment.
- Use a compatible hex driver to achieve full drive without stripping the head.
- Avoid over-tightening to prevent timber damage and ensure optimal holding power.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

