Fridays pics

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Semantic issue: IMO, every screw is self tapping to some degree. The "Tek" screws in the picture, to me, are "self-drillers"


I agree. A self tapping screw is designed to go into a pre-drilled hole. A self-drilling screw does what it's name implies, it drills it's own hole.
 
Hit them like a manly man with a hammer and they will snap of perfectly flush.

That works when the screws are through thicher steel.
Probobly will bend the sheetmetal panel and stud and become loose.

The dremel or saw with additional screws from the inside would be better.

Who put the screws in from the outside, the framer or the electrician installing the panel?
 
We see this often on recessed panels. We install the back box on strut and the carpenter zips his studs to the side of the box. We'll usually just cut them flush or grind them.
 
I know I am way late here but they will snap off flush by simply bending them back and forth with your sidecutters. I did some last week that were in my way.

Self tapping screws like this are very brittle bacause they're hardened.

You may also be able to simply unscrew them.
 
A dremel tool will work fine. Afterwards, I'd have a "come to jesus" meeting with the guy who ran those screws INTO the panel. Could have easily screwed into an energized circuit, with bad consequences.
 
Just try hitting one with a hammer. You cant have ladies underwear on that day though. It will snap off perfectly just like I said but you cant be gentle with it you have to hit it hard at the tip of the screw straight up or down. Towards the sky or towards the floor. Try one before you take your eye out with the dremmel.
 
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