do you know what this screw is

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Snake

Snake

Mopar Nut
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working on a canadian made dresser. I thought that screw was a torx, so i went and bought a set of bits right dowm to very small to big but nothing works, am i missing something, is there has to be the right bit, and what is it called.dam

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there different for sure,so after a few days off and on trying to figure it out you guys nailed it lol.for gigs i try p in what is a 8 sided screw called, well 1 guy said to get the right Robertson bit well what do you think IT WORKS LMAO.
 
Yup a Robertson would work in there. Either a number 2 or 3?

Our American friends might not know that much about Robertson heads though. If there wasn’t a disagreement between Henry Ford and Peter Robertson, we wouldn’t see the inferior Phillips screw head used on almost everything these days.
 
I personally like the Robinson/square drive. My deck screws were square drive, very fast to center in the tool and go on a power drill.
 
I like either Phillip's or Robertson. Any power drill/driver I've seen has a Phillips/slot. Never a Robertson for same reason(I assume) you mentioned.
H22A4 said:
Yup a Robertson would work in there. Either a number 2 or 3?

Our American friends might not know that much about Robertson heads though. If there wasn’t a disagreement between Henry Ford and Peter Robertson, we wouldn’t see the inferior Phillips screw head used on almost everything these days.
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Yeh, Bristol. Damned WWII military surplus radio equipment used to be big on those. Some of the equipment had clips inside the cabinet to hold the necessary wrenches, but they were ALWAYS missing. Somewhere, I've got a Proto set I've had for years.

And clutch head---older Chev trim screws, and Holley carbs.
 
Home Depot deck screws came with a square driver bit. Now they stock SPAX that uses a hybrid Phillips/square drive (ie. Quadrex, Pozisquare). Works great, won't cam out like a phillips. It'll either bog your drill down, hit the clutch limiter or worse, take you wrist for a ride. We had to turn in all our corded drills for clutch type battery drills due to wrist injury potential. I had a Makita 2 speed that would throw you it was so torquey.
 
Good times removing tri-wing and clutch head screws that had been in a aircraft wing for 30+ years on a workstand in sideways rain. AKA how to gently transmit superhuman strength through a speed handle.
 
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