Upgrade your rotary cutter with these high-quality shear bolts and nylon locknuts. Designed for durability, these mill-certified Grade 2 shear bolts are stronger than typical hardware store bolts, ensuring reliable performance. The nylon locknuts prevent loosening due to vibration, keeping your equipment secure. This universal kit includes 5 shear bolts (1/2" diameter, 3-1/2" length) and 5 matching locknuts, compatible with most rotary cutters like Bush Hog and King Cutter models. Cross-reference part numbers: 500101, 50074654. Invest in this essential maintenance kit for a smooth and long-lasting cutting experience.