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Old 04-29-2018, 07:25 PM   #1
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Default How to deal with this type of screw?

Need to remove something. Any input is welcome!

Thanks,

Tom
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Old 04-29-2018, 07:40 PM   #2
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Need to remove something. Any input is welcome!

Thanks,

Tom
It's often called a Robertson drive fastener. It is a standard for RVs. It's a superior fastener because the square drive is less prone to cam out and damage to the fastener head. The drive bit for this fastener is available at most any hardware store. There are three different sizes, #1,#2 and #3. The bit almost always used for RV applications is the #2 bit.
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Old 04-29-2018, 07:49 PM   #3
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Thank you! Will check home depot today

All the best,

Tom
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Old 04-29-2018, 07:51 PM   #4
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Thank you! Will check home depot today

All the best,

Tom
https://www.popularwoodworking.com/t...ps-head-screws
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Old 04-29-2018, 07:54 PM   #5
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.

You must have a Roadtrek (or one of the Canadian made RV).

Robertson is a Canadian screw head. You seldom find it in the USA.
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Old 04-29-2018, 08:06 PM   #6
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.

You must have a Roadtrek (or one of the Canadian made RV).

Robertson is a Canadian screw head. You seldom find it in the USA.
Mine uses 2 different sizes.

Bud
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Old 04-29-2018, 08:17 PM   #7
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Mine uses 2 different sizes.

Bud
I'm not sure there is any industry hard and fast rule but what I've generally found is that 4-6 gauge fasteners use a #1 Robertson, 8-10 gauge use #2 and 12 gauge and above use #3.
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Old 04-30-2018, 02:35 PM   #8
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The story goes that Mr. Robertson invented the square drive screw here in Canada in the early 1900's. Mr. H. Ford found out about the screw, and wanted to use it on his new fangled assembly line thing.

However, Mr. Ford would only use it if he owned it - and Mr. Robertson refused to sell. So Mr. Ford went back south of the 49th, and sourced out the Philips screw. Hence the (superior) Robertson screw stayed a 'Canadian' thing, and the Philips became the norm South of the line.

Because we pretty much only use the Robertson in construction in Canada, when we crate up set parts or props to send back to the studios in LA, they are put together with Robertson's. But being the nice guys we are, we make sure to include a Rotertson bit or two inside the crate...

Your useless trivia for the day...

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Old 04-30-2018, 03:19 PM   #9
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All of my rigs have been Canadian built, and the second and third came with a little screwdriver that has all the different bits in the handle.

Of course, I already had them from the first rig...
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Old 04-30-2018, 09:21 PM   #10
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My 2008 TN built Trailmanor TT used them, and every last deck screw on my house has them, so they aren't that uncommon, but the bits are easy to find at any hw store. I seem to be able to cam out of them and destroy their heads too, maybe it's just me.
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