1-14 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/8-11 x 12 A307 Grade A Carriage Bolt Zinc Plated

Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39

9/16-12 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/2-13 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-10 x 3 Hex Cap Screw SS 316 (A4) 5/8-11 A307 Grade A Carriage Bolts Zinc Plated 1-14 x 2 Grade 83 4 10 x 3 Hex Cap Screw SS 316 (A4) . 316 series stainless steel differs from 18 8 by its molybdenum content (2 3%) and a higher nickel content (10 14%). 316 stainless steel has greater corrosion resistance than 18 8 as well as superior strength at high temperatures.