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Re: Robertson Screwdrivers [Re: ecotourist] #5130648
06/10/19 06:58 PM
06/10/19 06:58 PM
Joined: Jun 2019
Posts: 18
SE Alabama
Fawteen Offline
Fawteen  Offline

Joined: Jun 2019
Posts: 18
SE Alabama
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).

Re: Robertson Screwdrivers [Re: maxdustington] #5130660
06/10/19 07:06 PM
06/10/19 07:06 PM
Joined: Jul 2008
Posts: 1,310
British Columbia, Canada
ecotourist Offline OP
ecotourist  Offline OP

Joined: Jul 2008
Posts: 1,310
British Columbia, Canada
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.


2000 BMW 528i 5MT M Sport
2007 Honda Accord EX-L 4Door V6 6MT
Re: Robertson Screwdrivers [Re: ecotourist] #5130707
06/10/19 07:39 PM
06/10/19 07:39 PM
Joined: Aug 2013
Posts: 540
Alberta
tcp71 Offline
tcp71  Offline

Joined: Aug 2013
Posts: 540
Alberta
RVs seem to use quadrex screws, which fit a Phillips or Roberson head [Linked Image]


2016 F150 Eco: Edge 0w40
2005 Sienna 3.3: mobil 0w40 (varies)
Re: Robertson Screwdrivers [Re: ecotourist] #5130830
06/10/19 09:18 PM
06/10/19 09:18 PM
Joined: Nov 2013
Posts: 1,191
UT
BHopkins Offline
BHopkins  Offline

Joined: Nov 2013
Posts: 1,191
UT
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.


2013 Subaru Outback 2.5i - Idemitsu 0W-20 & Mobil 1 filter
2007 Mercedes SL550 - M1M 5W-40 & MB OEM filter
Re: Robertson Screwdrivers [Re: hallstevenson] #5131075
06/11/19 06:59 AM
06/11/19 06:59 AM
Joined: Nov 2006
Posts: 21,935
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,935
MA, Mittelfranken.de
Its great for the fat folks, they can say 158 instead of 350.



ASE L1, Master. Deutsch Meisterbrief.
Re: Robertson Screwdrivers [Re: Onetor] #5131271
06/11/19 10:57 AM
06/11/19 10:57 AM
Joined: Feb 2003
Posts: 8,391
Jupiter, Florida
Cujet Offline
Cujet  Offline

Joined: Feb 2003
Posts: 8,391
Jupiter, Florida
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
06/11/19 06:00 PM
Joined: Oct 2008
Posts: 1,426
MD
ET16 Offline
ET16  Offline

Joined: Oct 2008
Posts: 1,426
MD
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
06/13/19 01:14 AM
Joined: Dec 2006
Posts: 70
Vancouver, Canada
dk1604 Offline
dk1604  Offline

Joined: Dec 2006
Posts: 70
Vancouver, Canada
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
06/15/19 01:00 PM
Joined: Jul 2005
Posts: 25
Montague, NJ
repairman54 Offline
repairman54  Offline

Joined: Jul 2005
Posts: 25
Montague, NJ
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
'16 Equinox 3.6 AWD
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'09 2.4 Malibu
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Doo 1200 GSX
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Re: Robertson Screwdrivers [Re: ecotourist] #5135261
06/15/19 08:52 PM
06/15/19 08:52 PM
Joined: Jul 2013
Posts: 1,884
Ottumwa, Iowa
jhellwig Offline
jhellwig  Offline

Joined: Jul 2013
Posts: 1,884
Ottumwa, Iowa
The best is the Robertson flat head combo screws found on electrical equipment. Milwaukee makes a bit that fits them perfectly.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
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