Bulk 5/16"-9 Hex Lag Screws Stainless Steel 18-8 (A2)

Corrosion-Resistant, Heavy-Duty Fasteners for Reliable Wood Connections

Enhance your woodworking, construction, and outdoor projects with our premium 5/16"-9 Hex Lag Screws, crafted from 18-8 (A2) stainless steel. These lag screws—often called lag bolts—feature a 5/16" diameter and 9 TPI (threads per inch) coarse threads, providing excellent holding power in wood and resisting rust in challenging environments.

The hex head design allows for easy installation using a wrench or impact driver. Their coarse threads and sharp points ensure maximum grip, but remember to pre-drill pilot holes to prevent splitting and ensure proper alignment. These screws are ideal for securing beams, building decking, or mounting heavy fixtures to wooden studs.

Key Benefits of Our Stainless Steel Hex Lag Screws

• Corrosion Resistance: 18-8 (A2) stainless steel resists rust, making these screws suitable for moist or outdoor conditions.
• High Holding Power: The 9 TPI coarse threads and sharp point ensure strong, long-lasting connections in wood.
• Dependable Strength: The 5/16" diameter supports moderate to heavy loads, suitable for a variety of applications.
• Easy Installation: The hex head design allows driving the screw with standard tools—just pre-drill your pilot hole first.
• Durable Connections: Once installed, these lag screws create semi-permanent bonds that resist loosening.

Why Choose Our Bulk Lag Screws?

• Bulk Discounts: Ideal for professionals, contractors, and large-scale projects looking to save with volume pricing.
• Wholesale Availability: Perfect for B2B customers needing substantial quantities over time.
• Quality Material: 18-8 stainless steel ensures long-lasting corrosion resistance and dependable strength.
• Versatile Use: Suitable for attaching beams, building decks, mounting TV brackets, and more.

Proper Pilot Holes and Installation Tips

Proper pilot hole sizing is crucial for preventing wood splitting and ensuring maximum holding power. For guidance on selecting the right pilot hole diameter based on lag bolt size and wood type, consult our Lag Bolt Pilot Hole Size Blog.

• Pre-Drilling: Follow recommended pilot hole sizes to protect the wood and ease installation.
• Use Proper Tools: An impact driver or wrench is best. Avoid over-tightening to prevent head damage.
• Ensure Correct Alignment: Drill pilot holes carefully to ensure straight entry and maximum hold.

Product Specifications

• Diameter: 5/16"
• Thread Pitch: 9 TPI (Coarse Thread)
• Head Style: Hexagonal Head for easy driving
• Material: 18-8 (A2) Stainless Steel
• Standards Compliance: Meets common industry standards for lag screws

Ideal Applications

• Wooden Structures: Suitable for beams, framing, and moderate heavy wood-to-wood connections.
• Outdoor Projects: Decking, fencing, pergolas, and garden structures where rust resistance is key.
• Mounting Fixtures: Secure TV mounts, shelves, or lighting fixtures to wooden studs for reliable support.
• General Construction: Excellent for tasks that need dependable and long-lasting wood connections.

Complementary Products

• Washers: Stainless steel washers help distribute load and prevent the head from sinking into softer woods.

Buy in Bulk and Build with Confidence

Choose our 5/16"-9 Hex Lag Screws for strong, long-lasting connections in various construction and woodworking environments. With bulk and wholesale pricing, Monster Bolts provides top-quality stainless steel fasteners designed to last. Consult our blog for pilot hole size recommendations and install with confidence.

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