[25 PKG] Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 7/8-14

Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 7/8-14 deliver secure, vibration-resistant fastening for heavy machinery, automotive, and industrial assemblies. Featuring a durable Grade C medium carbon steel body and a heat-treated nylon insert, these fasteners provide prevailing torque to resist loosening under dynamic loads.

Key features

• Nylon insert provides consistent locking torque and resists vibrational loosening without additional washers.
• Grade C medium carbon steel construction for strength and durability.
• Phosphate oil finish offers corrosion resistance and smooth, ease of assembly.
• Thread size: 7/8-14 (UNC) for compatibility with standard fastener systems.
• Designed for reuse in many applications with minimal wear.

Applications

• Automotive, heavy equipment, and industrial machinery assemblies.
• Machining, construction, and agricultural equipment installations.
• Any threaded joint requiring reliable, vibration-resistant locking without separate locking washers.

Installation and care

• Always follow standard torque specs for 7/8-14 fasteners and consider the nylon insert's maximum operating temperature.
• Inspect the nylon insert for wear or damage; replace if the insert is compromised.
• Clean threads before installation to ensure proper engagement and locking performance.