Brass Hex Nylon Insert Lock Nuts M4 M5 M6 M8 M10 M12

$14.04 $15.88

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Brass Copper Hexagon Nylon Insert Self-Locking Nuts – M4 to M12

Keep your assemblies tight and secure with these premium brass copper hexagon nylon insert locking nuts. Available in a range of metric sizes — M4, M5, M6, M8, M10, and M12 — these hex lock nuts are ideal for DIY projects, electrical work, machinery, automotive applications, and general hardware use. The nylon insert creates a friction fit that resists loosening from vibration, rotation, and thermal cycling, making them a reliable fastening solution wherever a standard nut might back off over time.

Key Features

Material: High-quality copper/brass construction for excellent corrosion resistance and conductivity
Nylon Insert: Built-in nylon collar grips the bolt thread to prevent self-loosening without damaging the thread
Hex Profile: Standard hexagonal shape for easy installation with any socket, spanner, or wrench
Multiple Sizes: Available in M4, M5, M6, M8, M10, and M12 — choose the quantity and size that suits your project
Reusable: Can be removed and refastened multiple times while retaining locking performance
Versatile Use: Suitable for electrical panels, electronics enclosures, automotive components, plumbing fixtures, and general mechanical assemblies

Specifications

Brand	JARBLUE
Material	Copper / Brass
Type	Hexagon Nylon Insert Lock Nut
Sizes Available	M4, M5, M6, M8, M10, M12
Quantity	2–10 Pieces per set
Country of Origin	Made in China

Why Choose Nylon Insert Lock Nuts?

Unlike standard hex nuts, nylon insert lock nuts feature an integrated nylon ring at the top that deforms slightly when threaded onto a bolt, creating a secure friction lock. This makes them perfect for applications subject to vibration, impact, or frequent temperature changes — no additional locking washers or thread adhesives required.

Frequently Asked Questions

Q: What sizes are available for these brass copper hex nylon insert lock nuts?

A: These nylon insert lock nuts are available in M4, M5, M6, M8, M10, and M12 metric thread sizes. Simply select the size and quantity you need when placing your order.

Q: Can these nylon insert lock nuts be reused after removal?

A: Yes, brass nylon insert lock nuts can generally be reused a number of times. However, the locking torque of the nylon insert may slightly reduce with each use, so for critical applications it is best practice to replace them if maximum holding force is required.

Q: Are these nuts suitable for electrical and DIY projects?

A: Absolutely. The brass/copper material makes these nuts an excellent choice for electrical panels, enclosures, and DIY electronics projects where conductivity and corrosion resistance are important. The nylon insert also provides electrical insulation between the nut face and the mating surface.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.