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T Head Barrel Nuts

  • Barrel length from 3/8″ to 3/4″
  • 8-32 thread as standard (others available on request)

T Head Sex Bolts are an internally threaded single female barrel nut.

They are suitable for tensioning and clamping two or more objects together without a thread being required. They may also be referred to as a T Head Sleeve Nut.

Most commonly used in applications like commercial railing systems, they provide strength and ease of assembly with their T slot head style.

Manufactured as standard in Aluminium, available in a range of barrel lengths from Fastenright.

Non-standard sizes and materials are available to order as specials, including custom parts made to drawings.


T Head Barrel Nuts technical drawing

Imperial Technical Information
Barrel Length Head Length Head Width
3/8″ .406″ .210″
1/2″ .406″ .210″
5/8″ .406″ .210″
3/4″ .406″ .210″


Imperial Available Sizes
Barrel Length T Head Barrel Nut Availability
3/8″ Marker image
1/2″ Marker image
5/8″ Marker image
3/4″ Marker image
Marker image = Aluminium
Size not listed? Please make an enquiry – we may be able to provide it.

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