Every week, Team Protocase is bringing you a Proto Tech Tip video, where we’ll give an informative look at a particular aspect of sheet metal fabrication and CNC Machining.

This week, Cody from our Engineering & Design Services team explains the differences between two specific types of self-clinching fastenersconcealed and flush self-clinching fasteners.

Watch the full video below – or, if you’d prefer to read his Proto Tech Tip, we’ve got the full transcription below the video.

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Hey everyone, Cody here from Protocase with your Proto Tech Tip. Today, we’re going to talk about the difference between a flush self-clinching fastener and a concealed-head self cleaning fastener. What’s the difference?

A flush self clinching fastener is permanently pressed into a through-hole with the base of the fastener becoming visible and flush with the outside face. A concealed head self clinching fastener is pressed into a blind hole or hole that does not cut through the panel you cannot see the base of these fasteners from the outside of the part. Concealed head fasteners are ideal for when you do not want to see evidence of the fastener.

If you’re having graphics applied to this face this is very useful however if you do insist on using a flush self-clinching fastener, we are able to grind down the base a little bit so that when powdercoat is applied, it becomes less visible. Flush-mounted fasteners are typically more cost-effective as they do not require a secondary milling station to put a blind hole in. Let us know if you are interested in using these concealed dead fasteners at the quoting stage and then we can do a comparison estimate on the pricing for you.

Feel free to check out our website for more information regarding the difference between these fasteners. We put some direct links in the description below. Be sure to also check out our blog which outlines many other technical tips or just send us an email at info@protocase.com. Thanks for watching this week’s video and be sure to tune in next week for another Proto Tech Tip.

About The Author

Christa Carey

Christa Carey has been with Protocase since the very beginning. In fact, she was the first employee the company hired back in 2002, after working for Protocase co-founders previously. She graduated in 2000 from Cape Breton University in Nova Scotia, Canada. As the Engineering and Design Services Manager, Christa manages a team of 18+ engineers and technologists who work with Protocase customers daily to provide quotes, assess the manufacturability of their designs, suggest design changes where required and finalize files for approval.

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