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.

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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

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Specifications Table:

Specification	Details
Callout Size	1/2 inch
Thread Size	1/2-13
Thread Type	Coarse
Unit of Measurement	USS
Material	Steel
Insert Material	Nylon
Finish	Zinc Plated
Number in Package	50
Packaging Type	Boxed
Package Height	4.4 in
Package Width	2.1 in
Package Length	3.8 in
Package Weight	2.2 lbs

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Frequently Asked Questions (FAQ):

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

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

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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.

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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.

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

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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.

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