
Shear vs Tensile Strength in Screws
In mechanical fastening, understanding the forces acting on a screw is crucial to ensure safe, strong, and long-lasting joints. Two key performance measures often reference in fastener selection are tensile


We stock the widest range of Security and Tamper evident fixings as well as Specialty Fasteners for Aesthetic applications. The maxim “We make the Hard part Easy” encapsulates our commitment to find the right fastener for the job for all our customers.
Level 1:
Basic Security
Level 2:
High Security
Level 3:
Maximum Security
Any valuable product in the public area is at risk of theft, vandalism and tampering. Our security fastener range and design capabilities are second to none. We are constantly sourcing new ideas and innovative products from around the planet to ensure our clients are at least one step ahead when it comes to security.

In mechanical fastening, understanding the forces acting on a screw is crucial to ensure safe, strong, and long-lasting joints. Two key performance measures often reference in fastener selection are tensile

When it comes to securing critical components in industries such as aerospace, automotive, infrastructure, and defence, the integrity of fastened joints can make the difference between success and catastrophic failure.

When it comes to security screws, performance isn’t just about material or drive type – it’s also about how well the screw holds up under stress. Whether you’re fastening critical
Try our PROLOK Solution Finder, a tool designed to help you select the most appropriate Security Fastener for your application.
Sentinel Group will be closing for the Christmas & New Year period.
Our last day of operation will be Monday, 21st of December with business resuming from Tuesday, 5th of January.
Please plan your orders accordingly, and we wish you a joyful holiday season.
Thank you for your support throughout the year!