Plow Bolt Countersunk Square Neck Grade 5 Carbon Steel Zinc Finish Thread Size 3/8-16 Length 2 In Head Dia 0.605 In Head Height 0.312 In #3 Flat Head Type Head Angle 80 Deg Square Width 0.387 In Tensile Strength 120 000 PSI Meets/Exceeds SAE J 429 Package Quantity 100