Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Zinc CR+3) 440366 these nuts are ideal for

these nuts are ideal for various engineering and construction applications

These lag screws—often called lag bolts—feature a 5/16" diameter and 9 TPI (threads per inch)

Corrosion Resistance: 18-8 (A2) stainless steel offers dependable rust protection in typical environments

These Thin Nylon Insert Locknuts are suitable for a variety of applications where space is limited and resistance to vibration and corrosion is critical

Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Zinc CR+3) 440366 these nuts are ideal forBulk 1 2" 13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Zinc CR+3) High Strength Fasteners for Structural & Industrial Applications For industrial and structural fastening requiring high strength, trust 1 2" 13 ASTM A307 Grade B Heavy Hex Bolts. These bolts are precision engineered from low carbon steel with a Zinc CR+3 finish for corrosion resistance and durability. Designed for flanged joints in piping systems, steel construction, and heavy