1/2 in. USS Nylon Insert Lock Nuts, Zinc-Plated Steel (50-Pack)

Secure assemblies against vibration with these Hillman nylon-insert lock nuts. Made of zinc-plated steel for strength and corrosion resistance, they feature a 1/2-13 coarse thread and USS sizing. Ideal for automotive, machinery, and general construction projects.

Key Features:

• Vibration-Resistant Hold: Nylon insert prevents loosening and removes the need for lock washers
• Durable Construction: Zinc-plated steel resists rust and corrosion for long-lasting performance
• Standard Fit: 1/2-13 coarse thread, USS unit for broad compatibility
• Bulk Convenience: 50 pieces per pack for projects and replenishment
• Easy Identification: Clearly labeled box for quick size and thread selection

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What thread size are these lock nuts?
A: They are 1/2-13 coarse thread (USS).

Q: What materials are used?
A: The nut body is steel with a zinc-plated finish and a nylon insert for locking.

Q: Do I still need a lock washer?
A: No. The nylon insert provides the locking action, eliminating the need for a separate lock washer.

Q: Are these suitable for outdoor use?
A: The zinc plating offers basic corrosion resistance suitable for many indoor and outdoor applications; for harsh environments, consider stainless options.

Q: How many nuts are included?
A: 50 pieces per retail package.

Industrial polish with steadfast grip

These nylon-insert lock nuts bring a quiet, confident order to any build—sleek zinc-plated steel with a subtle sheen that complements raw woods and dark metals. The standout is the integrated nylon collar, a refined detail that keeps hardware crisp and secure. Style them with black oxide bolts for a tailored, modern workshop aesthetic. A small essential that anchors luxurious function in everyday spaces.

Lock in a reliable, corrosion-resistant hold—add this 50-pack to your cart and finish your project right.