Plow Bolt Countersunk Square Neck Grade 5 Carbon Steel Zinc Finish Thread Size 1/2-13 Length 2 In Head Dia 0.945 In Head Height 0.417 In #3 Flat Head Type Head Angle 80 Deg Square Width 0.515 In Tensile Strength 120 000 PSI Meets/Exceeds SAE J 429 Package Quantity 50