They are plated and coated with zinc for corrosion resistance and durability

5/16-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

3/4-10 x 3 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1 1/4-7 x 5 Flat Socket Cap Screw Alloy

and come in a box of 100 for industrial and residential needs

1-8 x 3 1/2 A325 Type 1 Heavy Hex Bolt Plain - Bulk Keg (200) SDS Max Hammer Drill Bits They are plated and coatedThese 1 8 x 3 1 2 A325 Type 1 Heavy Hex Bolts are perfect for heavy duty projects requiring maximum strength, featuring a large bearing surface for even pressure distribution. With 200 bolts in a convenient bulk keg, you'll be ready to tackle any job big or small.