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Kinmar Permanent Security Nuts one way security nut

Kinmar Permanent Nuts are a patented design, one way security nut which are ideal for a wide range of uses including high torque applications.

A superior alternative to the tried and tested old favourite "Shear Nut", the ability to set the precise torque (and re-torque if necessary) with the Kinmar Nut, makes this versaitile product the ideal choice for permanent fixing applications where high torque precision is a key requirement

Available in a choice of stock sizes from M5 to M12,

...and in a range of materials: BZP (Bright Zinc Plated) steel, Galvanised steel and A2 Stainless steel

Kinmar Permanent One Way Nuts require a matching driver tool to install them - see Kinmar Nut and Tool size charts for compatibility guide.

Kinmar Permanent Nut Stock Size Chart:

Kinmar nut stock size chart

Kinmar Permanent Nut Dimensions:


Kinmar nut dimensions




Kinmar Permanent Driver Tool Chart:

Kinmar driver tool selection chart

Kinmar Permanent Driver Tool Dimensions:

Kinmar driver tool dimensions.

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security fastenings

About insight Security
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