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.

Grade 2 Shear Bolts for Rotary Cutters 1/2" x 3-1/2" with Nylock Nuts - 5 Pack