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Re: Robertson Screwdrivers [Re: ecotourist] #5130648 06/10/19 06:58 PM
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They're very common in the US. You can go into any hardware store or big box (Lowes, HomeDepot, etc.) and buy them. I have a dozen or so packages out in the garage (along with phillips, standard and torx).


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Re: Robertson Screwdrivers [Re: maxdustington] #5130660 06/10/19 07:06 PM
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ecotourist Offline OP
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Originally Posted by maxdustington
Originally Posted by ecotourist
They just work better during assembly and even more so on disassembly. The screwdriver needs very little forward pressure to stay fully engaged and for the most part just doesn't slip.

They work well in all sizes, and it's fairly easy to insert a Robertson screw with one hand when used vertically and even to a certain extent when used horizontally (as the screw balances readily on the screwdriver).
With a small screw and brand new bit, sure. Bulk box 3 1/2" construction screws and a bit that's seen 100+ screws? Not without a magnetizer or magnetic bit holder.

As I understand it they are tapered and this is supposed to hold the screw on a bit, but a little bit of wear fixes that right up. I think they do hold a bit better than a Phillips even when worn but it's not night and day.

No one makes a decent Robertson screwdriver outside of Canada other than Klein. I think electricians in the US use Robertson, too.

My Robertson screwdrivers have seen many Robertson screws and they're still fine - even the cheap ones. My Robertson driver bits do get chewed up eventually and I just replace them. They may not be made with as good a material as the screwdrivers or maybe the torque is just so high. I can't compare Robertson driver bit life to other designs as I use the others so infrequently.


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Re: Robertson Screwdrivers [Re: ecotourist] #5130707 06/10/19 07:39 PM
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tcp71 Offline
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RVs seem to use quadrex screws, which fit a Phillips or Roberson head [Linked Image]


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Re: Robertson Screwdrivers [Re: ecotourist] #5130830 06/10/19 09:18 PM
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I've used a lot of Robertson screws. They are good. But I would not say that Robertson is superior to Phillips in every way. They both have their pros and cons.

Robertson bits are much less prone to slipping out than Phillips. But Phillips bits are much more durable. I have never broke off a Phillips bit. But I have broke off a lot a Robertson bits. And when they break off, the portion still in the drill makes a BIG mess of woodwork. Phillips bits do wear out faster than Roberston bits. But Robertson bits do wear out also.


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Re: Robertson Screwdrivers [Re: hallstevenson] #5131075 06/11/19 06:59 AM
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Its great for the fat folks, they can say 158 instead of 350.



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Re: Robertson Screwdrivers [Re: Onetor] #5131271 06/11/19 10:57 AM
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Originally Posted by Onetor
I wish the USA would go metric...


And yet, we navigate by nautical miles. 360 degrees in a circle, 60 minutes per degree and 60 seconds per minute. One second being 1 Nautical Mile.

Therefore, one degree of Lattitude is 60 Nautical Miles.

Conversely, one Nautical Mile is 1852 meters......

Which one makes more sense again????


People who count on their fingers should maintain a discreet silence.
Re: Robertson Screwdrivers [Re: ecotourist] #5131611 06/11/19 06:00 PM
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ET16 Offline
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I was in Toronto over the weekend and used some Robertsons. I think they're great.

Re: Robertson Screwdrivers [Re: BHopkins] #5132829 06/13/19 01:14 AM
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dk1604 Offline
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The main problem with Phillips is the existence of Pozidriv. When you're trying to figure out why your Philips screwdrivers keep chewing up the screw heads on the Ikea furniture you're trying to assemble, it's because it's Pozidriv :-)

And then there's JIS B 1012...

Last edited by dk1604; 06/13/19 01:21 AM.
Re: Robertson Screwdrivers [Re: ecotourist] #5134920 06/15/19 01:00 PM
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My cargo trailer uses double Robertson on the exterior skin. Initial glance it looks like a Torx but it's actually a double Robertson but a single Robertson bit will fit in them.


John
Anything you say can & will be misquoted & used against you
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Re: Robertson Screwdrivers [Re: ecotourist] #5135261 06/15/19 08:52 PM
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jhellwig Offline
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The best is the Robertson flat head combo screws found on electrical equipment. Milwaukee makes a bit that fits them perfectly.


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