Robertson drive history?

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al hildenbrand

al hildenbrand

Senior Member
Location
Minnesota
Occupation
Electrical Contractor, Electrical Consultant, Electrical Engineer
So, here I am, dressing out another service center, and I find myself wondering why the square drive has become so common, and that it seems to be pushing the Phillips to the side?
 
I think people here have started to realize that it's easier to make a Robertson/straight screwhead than a Phillips/straight, and that they don't get mashed up as much. Remember that the Phillips was designed to push the screwdriver out at higher torque. I'm also seeing more Torq screws in construction, usually on wooden decks.
 
Well, I find the common TR device has a reasonably good straight/Phillips/Robertson, but this Siemens panel has the square of the Robertson at a right angle to the straight slot.

That pretty much makes a Phillips useless. Arrgh!
 
I frankly thought you were talking about a sudo phillips driver with one set of parralel blades /tips larger, like --|-- , :grin:
 
I carry #2 robertson in my pouch specifically for doing panels. It so much easier, faster, and flat out better.

Thanks for the link to the Wiki article i learned somethign about phillips. Maybe one day philips will be the "past".
 
Personally i love them, they don't slip out and no nead for much presure. Last thing you want is pushing hard on a philips and slip off in live work. Besides that i don't like PHIL
 
mikeames said:
I carry #2 robertson in my pouch specifically for doing panels. It so much easier, faster, and flat out better.
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Agreed. S2's for panels and panel covers, S1 for device terminals and mounting. The squares transfer driving torque much better.

We have Dewalt 4-way (6 counting the hexes) tips in our electric drivers, with flat and Phil in one end, and S1 and S2 in the other.
 
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