Every set of Key-Rex security screws and bolts are custom “keyed” for the client. Only the client has the bits to fit their custom set which are designed to be nearly imposible to remove without the bit.
Requires a perfectly manufactured key to operate it
The keyway is licensed and private for each user
Millions of exclusive keyways mean lock security
High security: years of research & development to make this the most secure fastener lock
Repels all security bit tips and vice grips
Rust-proof, stainless steel or 4037CrV steel with 150,000 psi
Fast; can be power driven
Least expensive "lock" on the market
More sizes available: 3/56-5/8-11 (M2-M12)
Key-Rex® Security Nut
The Key-Rex nut is so much more than tamperproof, vandal-proof, and tamper-resistant!
It's a nut that acts like a lock! Custom keyed using an encryption process for each individual client, and that client alone. Our security nuts include a specially angled taper on the outside so they cannot be gripped by locking pliers or other tools, which further increases your security. Available in Sizes US 6/32 through 1/2-13 Metric M4-M12.
The Key-Rex Nut:
Is the only high-security nut of its kind
Requires a perfectly manufactured companion key/socket to remove
The keyway is licensed, private, and unique for each user for keyed "lock" security
($100 Min. Order)
Bryce Fastener is the world leader in high security locking bolts & fasteners, security and tamper-resistant screws.