Project Pak 3/8-in x 16 Zinc-plated Steel Nylon Insert Nut (25-Count)

Stop nuts are designed to be fastened to a bolt when mechanically joining materials
Zinc finish offers moderate corrosion resistance
Install with hand tools such as a combination wrench
Nylon insert offers added security against loosening from vibration
Recommended for use with bolts and washers of a similar size and finish
Parts feature coarse 3/8-in-16 screw thread