"Robert Roland" wrote in message news:oo7kkihojqvbvqufivljs5dhi41ot0rloc@4ax.com...
Everybody hates those old-fashioned slotted screws and their
screwdrivers. The Screwdrivers are often used as prybars, chisels or scrapers.
But, specifically, what is it about them that you don't like?
RoRo
-------------------------
I don't share your dislike of them. The split wedge screwdrivers I have
to grip slots are more compact than the external spring clip ones for
cross heads and can be run in snug. I prefer them for places with
restricted clearance such as dense circuit boards. They aren't meant for tightening or loosening torque but otherwise they make slotted heads as convenient as any other style. Also slotted heads are the only style
that's easy to make, with doubled hacksaw blades.
I find good uses for most head styles, most recently button head Allen
screws to join antenna mast sections and slide through the guides when
the mast is raised and lowered.
I find good uses for most head styles...
I find good uses for most head styles...
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments. >Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments.
Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
Everybody hates those old-fashioned slotted screws and theirThe slots get worn and the screwdrivers get worn because they slip -
screwdrivers. The Screwdrivers are often used as prybars, chisels or >scrapers.
But, specifically, what is it about them that you don't like?
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
http://www.cnctechnw.com/pics/TripleSq-vs-12Pt.jpg
On 11/8/2023 9:23 PM, Clare Snyder wrote:
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments. >>> Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
I seem to recall it goes way back to a disagreement between Roberson and Ford. Ford wanted to buy the patent outright, and Roberson wanted a
royalty agreement.
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments.
Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
On 11/8/2023 10:23 PM, Clare Snyder wrote:
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments. >>> Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
We were using square drive screws in the cabinet shop over 30 years
ago ... still don't see many in automotive or mechanical applications
though .
On 11/8/2023 10:23 PM, Clare Snyder wrote:The Model "A" that I learned to drive on was assembled with Robertson
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments. >>> Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit
with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
We were using square drive screws in the cabinet shop over 30 years
ago ... still don't see many in automotive or mechanical applications
though .
Gees that is so close to being the same.
On Thu, 9 Nov 2023 14:18:20 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
Gees that is so close to being the same.
Take a look at the difference between Ribe and Polydrive (middle and
tight one in this picture):
https://vacn.no/uploads/imageproxy/Ribe_Polydrive_zpsfa0134ce.jpg.ab85c8d53c708a3c37bf40ff53ccf080.jpg
You will find lots of sources that, with great authority, claim that
they are the same.
"Robert Roland" wrote in message >news:empuki5hg08s7amdvo8ctcboal03ikfqja@4ax.com...
On Thu, 9 Nov 2023 14:18:20 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
---------------------------------
For me the nuisance of having to identify the drive of a small setscrew down >a deep hole greatly outweighs any advantage Bristol Spline etc might have. >When I need to make a custom setscrew I slot the head and turn off the >threads at the clamping end and around the slot to keep it from expanding >and jamming. I made bushings with threaded holes to hold small screws to >modify on the lathe, usually in a collet instead of chucked so filing is >safe. The cut off ends of shortened Grade 5 and 8 screws have made >satisfactory setscrews.
For me the nuisance of having to identify the drive of a small setscrew
down
a deep hole greatly outweighs any advantage Bristol Spline etc might have.
They are easy to find second-hand from failed startups, and have no value to >companies that won't risk problems from questionable material. Even parts >drawn for lab use became 'unclean' and couldn't be returned to stock. Often >the seller has no idea of the use or cost of specialized electronics tools, >like crimpers. >https://www.weller-tools.com/us/en/industrial-soldering/products/soldering-accessories/6966c-heat-gun
I paid $9.99.
On rack mounted instruments there just wasn't room to look straight down the >setscrew hole. Sometimes the wrong driver tried by feel grabbed well enough >to damage the setscrew but not enough to loosen it. At least now I own all >the equipment I work on and can replace odd hardware.
Speaking of multiple standards, I just bought a DS211 mini oscilloscope with >MCX connectors and need yet another set of RF adapters to SMA and BNC. For >solar and battery work the probe returns need to float off ground and >between channels, thus the $23 single channel scope. Grounding the inverter >(if a plugged-in UPS) and the panels short-circuits the negative side MOSFET >switch in some PWM controllers and all the solar current will pass through >the ground leads.
DS211
The DS211 is packaged like a small cell phone, a directly attached BNC would >tilt that side up and risk damage to the circuit board. I ordered a 6" MCX >to SMA cable that will let the case lie flat and can connect directly to my >Comlinear 20x DC-95MHz preamp or an SMA-BNC adapter to plug in the Hantek >current probe.
On Wed, 8 Nov 2023 22:41:50 -0600, Snag <Snag_one@msn.com> wrote:
On 11/8/2023 10:23 PM, Clare Snyder wrote:The Model "A" that I learned to drive on was assembled with Robertson
On Tue, 7 Nov 2023 14:20:22 -0400, Leon Fisk <lfiskgr@gmail.invalid>
wrote:
On Tue, 7 Nov 2023 09:35:03 -0500Here in Canada most electrical has slot/robertson combo screws.
"Jim Wilkins" <muratlanne@gmail.com> wrote:
<snip>
I find good uses for most head styles...
Saw this last week from HF, another fastener I'd not seen before.
Looks like Torx at first glance but they don't fit it well per comments. >>>> Seems to be called "Triple-square". Just a heads up to watch out for?
"These professional impact bit sockets are engineered for a precise fit >>>> with triple-square fasteners used in many popular European vehicles."
https://www.harborfreight.com/38-in-drive-professional-triple-square-impact-bit-socket-set-9-piece-59803.html
Used to be the Electrical Trade used slot head screws almost
exclusively. If you found a "Phillips/Crosshead" it would have a
standard slot too. Been out of that for a long time, don't know it
that's still the case...
Gotta LOVE robertsons!!!! You yanks are finally getting in on the
"square drive" kick too - about 120 years late!!!!
We were using square drive screws in the cabinet shop over 30 years
ago ... still don't see many in automotive or mechanical applications
though .
screws!
As far as I am concerned, there are no such tools as Philips screw
drivers, only Philips screw REMOVERS!
The DS211 is packaged like a small cell phone, a directly attached BNC
would
tilt that side up and risk damage to the circuit board. I ordered a 6" MCX
to SMA cable that will let the case lie flat and can connect directly to my >Comlinear 20x DC-95MHz preamp or an SMA-BNC adapter to plug in the Hantek >current probe.
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