The Original Instant Thumbscrew
The Shear-Loc process is a unique and cost effective way to convert standard socket head cap screws into instant thumbscrews.
For over 50 years we’ve been dedicated to producing high quality products right here in the USA and distributing them worldwide.
We offer 10 different styles with 5000+ combinations to meet the needs of your application.
Test before you invest. Contact us for FREE samples!