this bulk keg of 80 bolts is made of durable ASTM A325 material and designed to meet the standard specifications for use in the USA

5/16-24 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

3/16 x 1 1/2 Mushroom Spike 316 SS (100)

Basic Major Diameter: 1

Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches

1/2-13 x 2 1/2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized Domestic USA - Bulk Keg (1000) M20-2.50 Hex Cap Screws DIN 931 18-8 Stainless Steel (A2) this bulk keg of 80This high quality pack of 1000 1 2 13 x 2 1 2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized Domestic USA bolts has excellent rust and corrosion resistance for a long lasting use. Manufactured with heavy duty thread and steel for precision and reliable performance. USA made and tested for exceptional quality.