AN Bulkhead Nuts

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£1.53

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2-Year Warranty

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AN Bulkhead Nuts – Lightweight Locking Solution for AN Bulkhead Fittings

Secure your bulkhead adapters with confidence using our AN Bulkhead Nuts. Designed for panel-mounted AN fittings, these lightweight aluminium nuts provide a secure and professional mounting solution for oil, fuel, coolant, brake and other fluid systems.

Key Features

6061-T6 Aluminium Construction

Manufactured from lightweight, high-strength 6061-T6 aluminium for a durable and reliable mounting solution.
Black Anodised Finish

A durable black anodised finish helps protect against wear and corrosion while providing a clean, professional appearance.
Available in Multiple AN Sizes

Available to suit AN6, AN8, AN10, AN12 and AN16 bulkhead fittings.
Secure Bulkhead Mounting

Designed to lock compatible bulkhead fittings securely through panels, brackets and mounting points.

What is an AN Bulkhead Nut?

An AN bulkhead nut threads onto the extended mounting thread of a compatible bulkhead fitting, allowing the fitting to be secured through a panel or bracket. This creates a fixed mounting point and helps keep fluid connections securely positioned.

Compatible Bulkhead Fittings

Use with compatible Aluminium Bulkhead Elbow Adapters or Straight Bulkhead Adapters for a secure panel-mounted installation.

Product Type: AN Bulkhead Nut Designed to secure compatible bulkhead fittings through panels or brackets
Material: 6061-T6 Aluminium Lightweight, high-strength alloy
Finish: Black Anodised Protects against wear and corrosion
Design: Hex Nut Allows installation and tightening with a suitable spanner

Available AN bulkhead nut thread sizes
Product Code	Thread
NUT-BUL-AL-AN6	9/16"-18 UNF AN6
NUT-BUL-AL-AN8	3/4"-16 UNF AN8
NUT-BUL-AL-AN10	7/8"-14 UNF AN10
NUT-BUL-AL-AN12	1 1/16"-12 UNF AN12
NUT-BUL-AL-AN16	1 5/16"-12 UNF AN16

AN6
AN8
AN10
AN12
AN16

Bulkhead Fittings
Panel-Mounted Connections
Fuel Systems
Oil Systems
Coolant Systems
Brake Systems
Motorsport Applications
Custom Plumbing

Mounting: Threaded Bulkhead Mounting Threads onto the mounting section of a compatible bulkhead fitting
Installation Location: Panel or Bracket Secures the fitting through a suitable mounting hole

Select the bulkhead nut to match the AN size of the compatible bulkhead fitting.

Free repair or replacement for two years from the date of purchase. Learn more

Frequently Asked Questions

What are AN bulkhead nuts used for?
AN bulkhead nuts are used to secure compatible bulkhead fittings through panels, brackets or mounting points. The nut threads onto the extended bulkhead thread of the fitting to hold it securely in position.
What sizes are available?
We offer the following AN sizes:
- AN6
- AN8
- AN10
- AN12
- AN16
Are these compatible with your aluminium bulkhead adapters?
Yes. These AN bulkhead nuts are designed for use with compatible aluminium bulkhead adapters, including straight and elbow configurations.
What material are the bulkhead nuts made from?
They are manufactured from 6061-T6 aluminium and finished with a durable black anodised coating for a lightweight, high-strength construction with protection against wear and corrosion.
Do I need any additional components for installation?
The bulkhead nut is used together with a compatible bulkhead fitting. Pass the fitting through the panel or bracket and thread the nut onto the bulkhead mounting thread to secure it in position.