Manufacturer of the world's most secure fasteners

USA Manufacturer Specializing in Exclusive Security Fasteners With Controlled & Private Keys

Sep 13, 2017

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Bryce Fastener Inc. is a USA manufacturer specializing in exclusive security screws with controlled and private bits. We have three main products we sell with varying thread styles and sizes to go along with each.

Key-Rex® is our exclusive customer owned keyway with billions of available combinations (patent # US 9638234 B2). No two Key-Rex® screws are alike, giving the customer their own private security screw.

penta-plus is our top sellerFor the past decade, Penta-Plus® remains our top seller. Penta-Plus® bits aren’t private but they’re only available by Bryce Fastener and are customer controlled through our database.


Both Key-Rex® and Penta-Plus® designs are also available in a nut. We now offer key-rex nuta heavy duty structural nut called, Key-Rex® Structural Nut.


Stykfit™ 7 is a new 7 lobed, driving fastener, made for high production applications requiring security. 

If your application requires any amount of security, let us give you some samples to try before you purchase from anywhere else. The driving ability and torque of Key-Rex®, Penta-Plus®, and Stykfit 7™ are better than other fasteners and we think you’ll agree once you test them. 

Click Here To Request Samples 

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