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Kinmar® Removable Nuts.

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Kinmar® Removable Nuts

What are Kinmar® Removable Nuts?

The patented Kinmar® Removable Nut is a 2-way Security Nut by Hafren Security Fasteners. Designed to be a cost effective and aesthetically pleasing high security component, this anti tamper nut can be used with any M8 bolt, threaded stud, set screw or machine screw.

Common applications for Kinmar Removable Nuts include barrier and entry security fixtures within car parks, intended to prevent loss of revenue, pilferage and to safeguard against theft.

This patented anti-theft nut is uniquely designed to require a matching Kinmar Removable Driver Socket for installation and, if necessary, removal. As this security nut is designed to provide an enhanced level of protection from theft or vandalism, the removal tool has restricted availability. Please enquire with our team to request a quote.

An equivalent anti theft bolt, requiring the same driver socket tool, is also available from Accu in our range of Kinmar Removable Security Bolts. This versatile tamper resistant bolt is available in either M8 x 25mm or M8 x 40mm sizes, with a Case Hardened Steel Zinc Plated finish.

For a 1-Way Security Nut variant, affording a higher level security solution as a permanent fixing, please see our range of Kinmar Permanent Nuts.


Kinmar® Removable Nuts are stocked in A2 Stainless Steel and Case Hardened Steel, available with either a Zinc Plated (Cr3) or a Geomet® 500B finish. Stainless Steel options can be purchased with our specialist PX-3 Matte Black coating.


Accu’s range of Kinmar Removable Nuts are available in metric thread diameters M5 to M12.

Bespoke Kinmar® Removable Nuts Manufacture.

High precision, bespoke manufacture of Kinmar® Removable Nuts to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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