Are S-5! Clamps still available with an M10 Fastener?


Yes, but by special order only. There’s a common misconception that a larger diameter bolt/clamp is stronger than the smaller option. But when under extreme loads the weak link in the chain is not actually the bolt. Long before the shear or pull-out strength of an M8 or M10 bolt is reached, the roof panel will fail, or the clamp will disengage from the panel. Because the M10 bolts cost more than the M8, it is unnecessary added cost without added benefit.  

Due to the fact that some fall protection companies have conducted testing around the use of an M10 bolt, we still offer M10 clamps via special order and some of our Authorized Distributors still keep limited quantities in stock. We also offer additional engineering analysis that proves the points mentioned here. To view that document, or if you need assistance with ordering any of our M10 clamps, please feel free to reach out to us at support@s-5.com and we will be happy to help you.

An interesting side-note: Because of our unique thread design, you will break the M8 bolt from over-tightening before you ever begin to strip the threads in our clamp.





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S-5! TECH SUPPORT