A Bryce fastener expert is ready to recommend the perfect protection to fit your needs and budget.
See our Penta-Nut™ brochure for more technical information.
PATENTED HIGH-SECURITY LEVEL
Penta-Nut™ is the largest diameter security nut available, and with the added Raptor™ Security Head, no washer is needed. These High-Security 316 stainless steel tamper proof nuts turn any bolt into a lock.
When manufactured with the optional Raptor™ Head, the Penta-Nut™ can handle 20% more torque and provides more grip than any other nut on the market.
Key-Rex can be made for 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.
Tell us about your project and a Bryce fastener expert will recommend the perfect protection to fit your needs and budget.
Custom made for each customer. The most secure, tamper-proof screw and bolt on the market. Patented worldwide. Designed to simply not be removed by anyone but the owner — ever. Not available in any store.
KEY-REX® Nut also available.See More
In-stock. Controlled inventory. Pentagon design is configured to keep out Torx-Pin, Hex-Pin and all other tamper-resistant bits. Only available to Bryce Fastener™ customers and bits are controlled through our customer database. Next to KEY-REX®, PENTA-PLUS™ is your best tamper-proof option on the market.
PENTA-NUT™ also available.See More
Better than Torx®. Patented design provides tight tolerance between bit and screw for a “stick-fit”. Screws don’t fall off the bit, even when bearing weight – perfect for assembly applications.
Fast indexing, ease of use and improved installation times are the result. Looking to make gains in productivity and efficiency with a security screw? This is it.See More