Grade 2 Shear Bolts for Rotary Cutters 1/2 x 3-1/2 with Nylock Nuts

Mill certified Grade 2 SAE J429 shear bolts, stronger than typical hardware store ASTM A307 bolts. Nyloc nut prevents loosening from vibration. Kit includes 5 shear bolts and 5 nylon locknuts. Universal Size for Rotary Cutters: 1/2″ Diameter, 3-1/2″ Length. Compatible with most rotary cutters such as Bush Hog and King Cutter. Zinc (Cr+3) RoHS compliant finish prevents corrosion.