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Old 22nd July 2013, 03:30 AM   #11
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Quote:
Originally Posted by Cal Weldon View Post
yep Phillips was the answer to the cam out problem with the robby's in the early days

Air pressure regulated and electric clutch systems made the Robertson better but Phillips was American and too well established to consider alternatives.

Torx? not sure, I haven't read up on that. Tremendous surface contact but serious limitations if you are stuck in the woods with a swiss army knife.
Er, are you saying that Robertson heads were problematic because they wouldn't allow the fasteners to cam out properly?
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Old 22nd July 2013, 03:37 PM   #12
chrisb is offline chrisb  Canada
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Now we're debating who and why of best screw head design? What's next tapered shank vs straight, dual pitch thread (a la Confirmat assembly fasteners) ?

Don't we have better things to discuss?

So we either buy a Torx head driver to use the supplied screws - would probably cost less than a small Starbuck's coffee - or we use something else.

next?
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Old 22nd July 2013, 05:58 PM   #13
chrisb is offline chrisb  Canada
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Originally Posted by chrisb View Post
Now we're debating who and why of best screw head design? What's next tapered shank vs straight, dual pitch thread (a la Confirmat assembly fasteners) ?

Don't we have better things to discuss?

So we either buy a Torx head driver to use the supplied screws - would probably cost less than a small Starbuck's coffee - or we use something else.

next?

sorry about the pissy attitude, I guess I should finish my first caffeine before posting
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Old 22nd July 2013, 06:41 PM   #14
mp9 is offline mp9  United States
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...or not, i completely agreed with your post #12
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Old 22nd July 2013, 06:47 PM   #15
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sorry about the pissy attitude, I guess I should finish my first caffeine before posting
It's ok Chris, you're allowed at least one rant, being that it's Monday.

Maybe Mark had a few too many complaints regarding the hex style screw heads, and decided changing the screw driver style to Torx might result in fewer mishaps when installing the drivers.

jeff
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Old 22nd July 2013, 07:45 PM   #16
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Originally Posted by 454Casull View Post
Er, are you saying that Robertson heads were problematic because they wouldn't allow the fasteners to cam out properly?
Correct, hence the invention of the Phillips. Remember, that was in the days before clutches and the powered drivers often led to wrist and arm injuries so they needed some type of release mechanism and it came in the form of the screwhead.
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Old 22nd July 2013, 07:48 PM   #17
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Don't we have better things to discuss?
Probably, but you know my penchant for trivia and history so, uh, I guess no, I don't have anything better to discuss.

Next?
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Old 22nd July 2013, 07:54 PM   #18
tinitus is offline tinitus  Europe
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gosh...can't believe I once hated Torx screws

these days nothing goes without Torx...any other screw type sucks
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Old 22nd July 2013, 08:05 PM   #19
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Unless you have Robertson of course. Also a #2Robby just happens to fit a #3Phillips in a pinch.
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Old 22nd July 2013, 08:10 PM   #20
tinitus is offline tinitus  Europe
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a box with different types of 'bits' is easily available these days
just use the screw head to find the right bit
a pick out the best fitting
it's easy

btw, screwdrivers are no good anymore...only bits work
and this goes for any type of screw
but for unbraco/allen screws especially
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