Manufacturer of the world's most secure fasteners

penta-plus set screw tamper-proof security fastener

Proprietary geometry. Controlled drivers.

Penta-Plus Set Screw


Controlled Bits

Driver bits restricted and controlled by Bryce Fastener.

The Penta-Plus design with the center rejection pin is a proprietary design meant for higher security applications and perfectly suited for security set screws.

One of our customers uses our Penta-Plus® set screws (10/32x1/4) to secure the cases their military weapons are stored and shipped in. If you need a set screw for an application that’s worth over $100.00, the Penta-Plus® Set Screw is your best option.

Available in sizes 2/56-1/2 (length cannot exceed the diameter).

Stainless Steel, Alloy, and Coated.

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Fastener security — for everything possible.

Bryce Security Fasteners can be made in virtually any fastener type, any size, any metal, any coating, and more. From galvanized metric bolts for harsh coastal outdoor environments to heat-treated, micro screws for data center security.


Whatever you’re working on, Bryce has you covered.

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