5/16" Stainless Steel Hex Lag Bolts / Lag Screws, 18-8 / A2
5/16" Stainless Steel Hex Lag Screws Grade A2 / 18-8 / 304 Stainless Steel – ASME B18.2.1 Compliant Secure your projects with 5/16" Stainless Steel Hex Lag Screws from Monster Bolts. Made from A2 / 18-8 / 304 stainless steel, these fasteners deliver outstanding corrosion resistance and strength for heavy-duty outdoor use in decking, framing, and structural applications. Key Specifications Diameter: 5/16 inch Thread Pitch: 9 Threads Per Inch (9 TPI) Wrench Size (Across Flats): 1/2 inch Type: Hex Lag Screw (also called Lag Bolt) System of Measurement: Inch / Imperial / US Material Grade: Stainless Steel A2 / 18-8 / 304 Standard: ASME B18.2.1 compliant Material Advantages Corrosion Resistance: Built for outdoor and marine-adjacent environments. Heavy-Duty Strength: Reliable holding power for structural wood connections. Long Service Life: Resists rust and oxidation for durable performance. Low Magnetism: A2 / 1