Permanent 1 Way Security Fasteners

One-way security fasteners, suitable for applications where the fixing will never need to be removed. A wide range in stock & specials available to order.
Many of our permanent security fasteners can be secured using standard tooling due to their unique design, with some also requiring security bits.

If future maintenance may be required, we suggest removable security fixings.

We stock both permanent nuts and one way screws in a variety of sizes and materials, with non-standard specifications available to order.

Please click on the links below for detailed product information, size charts, drawings and technical specifications

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