[100 PKG] Heavy Hex Lock Nuts NTU Nylon Inserts Steel Zinc 3/8-16

Engineered for demanding assemblies, the Heavy Hex Lock Nuts NTU Nylon Inserts in steel with a zinc finish deliver dependable locking action and long-lasting durability. Sized for 3/8-16 threads, these nuts are a staple for machinery, automotive, and construction applications.

• NTU nylon insert lock nut design delivers reliable resistance to loosening under vibration and dynamic loads.
• Steel with zinc plating provides durable corrosion resistance and a clean, professional finish.
• Heavy hex geometry offers improved wrench grip and high torque capabilities for demanding installations.
• Thread size 3/8-16 UNC ensures compatibility with standard fastener systems across many industries.
• Versatile application suitable for machinery, automotive, construction, and equipment assemblies.

Whether refurbishing equipment or assembling heavy-duty machinery, these nylon insert lock nuts keep fasteners secure where others fail. Choose NTU nylon inserts for reliable performance in vibration-prone environments.