This 1/2 x 4 Hex Lag Screw 316 (A4) Stainless Steel is made from high-grade 316 (A4) stainless steel

This set of 30 high-quality

The bugle head and self-drilling design make installation easy

the 6-Lobe Flat-Head design delivers up to 40% higher withdrawal resistance for lasting durability and performance

3/8-16 x 2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Bulk (600) M8-1.25 Socket Cap Screws 12.9 DIN 912 Zinc Plated This 1/2 x 4 Hex3 8 16 x 2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA Bulk (600) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion resistant coating, ideal for high performance and structural applications.