Thread 105848378

shitty, outdated, obsolete tech that was literally designed to fail

>>105848378 (OP)
Usecase?

OP

A rivet is a permanent mechanical fastener. Before being installed, a rivet consists of a smooth cylindrical shaft with a head on one end. The end opposite the head is called the tail. On installation, the deformed end is called the shop head or buck-tail.

>>105848386
fastening

>>105848378 (OP)
screwtoddlers BTFO

This is a nail board.

>>105848699
You don't need that. Issue closed.

>>105848378 (OP)
only exists because the torx jews demand a royalty

>>105848378 (OP)

ever heard of pop-rivets you literally could sheet a car with em

what are you gonna propose? (((torx)))?
>flat screws should be banned

>>105848378 (OP)
>cheaper and simpler than torx
>arguably even better
>has been standardized and royalty free for over ages
Why haven't you taken the Robertson pill

>>105850963
because torx is better in every imaginable way

>>105850988
>jew screw
Can't trick me

>>105850963
these are all over the place in Canada. basically everything that isnt electronic is put to gether with #2 robertson screws

>>105850988
these strip like crazy and theres two different standards for torx sizes

>>105849323
pop top rivets suck ass and fall apart as soon as the weather changes

>>105848378 (OP)
DIN 7985 Torx has a tiny screwdriver hole that strips just as easy as the PH/PZ version.
If you want reliable Torx heads, you need DIN 912, but those are more expensive, need more clearance due to taller heads, and for some dumb reason don't always follow the standard on head size.

t.engineer

>>105851240
they strip less than robertson.
also skill issue
also there are many sizes, just like robertson.

With just a cutting disc you can transform any stripped screw into the superior fastener

>>105851321
>He didn't hammer the screw first to unseat it
>He didn't clean out the hole before inserting the torx bit
>He used a worn torx bit instead of a non damaged one
Skill issue

>>105848731
OP's image is a bolt, not a screw.

>>105848378 (OP)
>head strips when you try to remove it
Nothing personnel, kid.

>excellent
>no one uses it for its intended purpose

>>105851648
>With just a cutting disc you can transform any stripped screw into the superior fastener
You will rip the head off of your screw before you can strip a Robertson.

>>105851892
I have the bits that were included in some chinese set but the screws only exist on the other side of the word

>>105851759
What's its intended purpose?

>>105851666
This
Stop using shitty drivers and expecting things to change. Philips and Pozidriv work quite well if you don't use shitty drivers (or try and use the wrong driver all together like a fucking ape)

>>105852242
Philips are defective by design.

>>105852191
>carabiner
idk probably to guide a rope or wire. certainly not to bear any load

>>105852248
t. used a Pozidriv driver in a Philips screw
t. used a PH2 driver in a PH1 screw "well, it's pointy so it should work, right?"
Ape.

>>105852257
I mean, if you buy non-rated carabiniers yeah
I have several carabiners rated from 2 tons to 5 tons
I also have several unrated carabiners that I use for random bullshit
Also no, you do not use them as a bearing surface for rope or cable

>>105852242
I have a Jap NIS driver and it works fantastically, even on shitty philips screws. Fits so tight with those sharp edges. Seriously love that thing, one of the best $15 I ever spent.

>>105852282
Same, I have JIS as well as high quality Pozidriv and Philips drivers. It's quite literally a skill issue if you're still stripping screws. I use an impact driver on Philips rack screws all the time, never stripped one.
Also, you people /do/ know that driver bits are disposable, right? There's a reason they sell tubs of 100 bits for impact drivers.

>>105852265
Just use a Robertson.

>>105851321
that is the best head in general anyway, you cannot always use it but when possible you cannot go wrong with it

>>105852278
there was an EU market study on carabiners, and the surprising shit is that every single one passed the tensile test, and where like 50 of them, including chinesium ones
now the spring part did fail on some, but still not that bad

>>105851892
>You will rip the head off of your screw before you can strip a Robertson.
That's because the head is fundamentally weak due to how much material is removed.

>>105852436
anon they have no rating to pass, rated carabiners do all pass, because they have to
t. worked in testing and manufacturing of height safety equipment

>>105852439
>That's because the head is fundamentally weak due to how much material is removed.
No because the screw driver is stronger than the screw and if you keep turning the screw will eventually twist. This is because the shape of drive is so secure that you will not cam out or slip, unlike a Philips or any other similar angled drive.
Maybe 80 years ago when power tools were a bit harder to get fine control out of that might have been a feature not just a design flaw passed off as a feature. But today with almost all screws that are put in by a machine are done by electric drive it's just a flaw. Similar and even more important for removing a screw. If you can't get a screw out with a Robertson drive it will not come out with any drive and you are going to need to drill it out.

>>105852460
anon i was including the ones bought in bazaars or aliexpress, those are not properly tested
seriously everyone was surprised that all of them passed whatever EN standard was measured.
found it see page 39
https://prosafe.org/images/Documents/JA2016/Reports/FinalVersions/JA2016_PPE_Technical_Report_Final.pdf
of course in person we were told more details than in the report
the only 2 "real" failures were 2 devices opening too easily. the joke is that almost half of them had the documentation wrong, or inexistent