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I recently visited Bryce Fastener in Phoenix, Arizona, and I can tell you: They have just changed the game in the fastener industry. I say this because I have personally toured more than 200 fastener manufacturers here in the U.S. and have seen all the usual kinds of processes, but I have never seen or heard of anything like what Bryce is doing.
I've seen cold (forming) heading, hot heading, screw machining, stamping, CNC, bending and molding of every kind of fastener, from the tiniest to the largest diameters and in all types of materials. Bryce has spent years developing a completely new, variable type of tamperproof screw and a unique manufacturing system that makes it all possible.
Bryce Campbell founded his company in 1972. After a successful career as a full-line fastener distributor in the Northwest, he moved to Arizona with a newfound motivation to design and manufacture a line of unique security fasteners that would be more tamperproof than anything else on the market. I was shown some of his large research collection of old patent documents on iust about every type of fastener drive recess, going back nearly 100 years. This was all very interesting to me. Did you know the one-way slot screw head was patented in Italy in the early 1900s? Bryce put this research to work.
Bryce's first security fastener system was the patent-pending Penta-Plus system with matching tooling, developed in the 1990s. Penta-Plus is proprietary and has a uniquely configured pentagon drive recess that will not accept hex-pin and TorxB-pin bits. The PentaNut(TM) was added to this system in 2004, is patented, and is the largest diameter security nut available in the U.S. today. The 316 stainless steel security...