A Bryce fastener expert is ready to recommend the perfect protection to fit your needs and budget.
See our Head Style Options brochure for more technical information.
CHOOSE HEAD STYLE & SECURITY LEVEL
Bryce Fastener Altered Standard Fastener Head Styles for Better Functionality and Security.
Button, Flat, and Socket head styles are available in all diameters and drives we manufacture.
The most common fastener head style purchased is the Button Head Cap Screw. We designed our own head specifications to create a button head with higher torque and resistance to Vice Grips®.
First, we cut the specified sidewall tolerance in half. This small adjustment created a large security barrier. Now Vice Grips® or wrenches can’t remove our button heads.
Second, we increased torque by enlarging our specified drive sizes. As a result, our button heads out torque TORX®.
Our Flat Head Cap Screws have the same high torque capability and they also out torque TORX®. We follow the standard flat head specifications. It’s vital our flat head security screws are not sitting above a surface where wrenches can remove them.
When Mr. Allen originally developed the Socket Head Cap Screw, he could not keep the Allen wrench from stripping, unless he made the head extremely high. We changed the old SHCS specification because it’s counterproductive for our high torque drive systems. The extra glob of material takes extra tonnage to forge, and breaks tooling. To lower costs, we specify our Socket Head Cap Screws at 2/3 head height. They torque higher than Allen (even with a center rejection pin) and can use a shallower counterbore.
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