Hillman Stop Nut 6-32 is designed for secure fastening, featuring a nylon insert that prevents loosening due to vibration. These stop nuts, also known as nylon insert stop nuts, fasten tightly to bolts by threading into the nylon material at the top of the nut, ensuring a reliable hold when joining materials mechanically. I for applications where maintaining a secure connection is essential, this stop nut both durability and stability. Model Number: 6-32