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More tool questions TORX 101

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Matt_C

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Apr 24, 2014
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London, UK
I'm not understanding the question. Are you asking if they are the same size? If they are both numbered the same, ie T30, then yes, they are the same size. (Although the pic suggests they are different sizes)

The one with the hole in is a security bit, also know as tamper proof, or often just tamper, torx. It's for working on fasteners like this;

M524858P01WL.jpg
 
OP
S

scratchedup

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Aug 13, 2012
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Fayetteville, GA
I'm not understanding the question. Are you asking if they are the same size? If they are both numbered the same, ie T30, then yes, they are the same size. (Although the pic suggests they are different sizes)

The one with the hole in is a security bit, also know as tamper proof, or often just tamper, torx. It's for working on fasteners like this;

M524858P01WL.jpg

Pick a size 20....is the tip of the tamper proof = the tip of the non tamper proof.

I need to purchase a set and was wondering if I get the tamper proof then no need for straight tip???
 

Matt_C

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Apr 24, 2014
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Location
London, UK
Yeah, a T20 tamper proof is the same size as a non tamper T20. The only difference if if it has a hole in it or not.

I rarely run into tamper proof on vehicles, although I'm sure there are some used. I've got a mix of both (I did have a full set of each, but breakages and loosing them means I've got a mixture now). Non tamper ones are generally stronger, as there's more metal in there, rather than a hollow centre, so it really depends on what you're going to be using them for.
 

dede2897234

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Feb 1, 2008
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Northern, Ohio
scratchedup,

Depending on your funds, I would first purchase a set of regular Torx bits. You will encounter more Torx than tamper-proof Torx fasteners.

Like "Matt C" mentioned above, I would not use a tamper-proof Torx bit in a Torx fastener. Greater chance of bit breakage and non-fastener removal.


Dave
 

Larch

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Apr 10, 2011
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Location
Ronan Mt.
I have seen the tamper proof torx on luggage carriers. Probably just to prevent theft. I have not run into them anywhere else on cars or trucks. I grabbed a tamper proof set at HF, I cannot justify spending money on those, they are rarely used.
 

firebox40dash5

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Mar 19, 2012
Messages
4,185
I have a set of tamperproofs, they don't get used often, but when they do, you need em. I work in an indy shop and try to be prepared for as much as possible, but if you're working on your own stuff and don't have anything that needs it...

Tamperproof bits will fit either, and you mighty be able to get away with them using hand tools. I usually use an impact with them to avoid rounding them, so I don't use tamperproofs if I don't have to.
 
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Loscaldazar

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Feb 23, 2013
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Yeah, a T20 tamper proof is the same size as a non tamper T20. The only difference if if it has a hole in it or not.

I rarely run into tamper proof on vehicles, although I'm sure there are some used. I've got a mix of both (I did have a full set of each, but breakages and loosing them means I've got a mixture now). Non tamper ones are generally stronger, as there's more metal in there, rather than a hollow centre, so it really depends on what you're going to be using them for.

Airbag and airbag control modules from almost every manufacturer have Torx Tamper proof. Might even be federally mandated. Never seen them elsewhere on a car, but I work on Subarus, and Subaru isn't like some manufacturers that like to make everything difficult and require strange sizes and drive bits everywhere (looking at you, BMW).
 

franzdom

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Airbag and airbag control modules from almost every manufacturer have Torx Tamper proof. Might even be federally mandated. Never seen them elsewhere on a car, but I work on Subarus, and Subaru isn't like some manufacturers that like to make everything difficult and require strange sizes and drive bits everywhere (looking at you, BMW).

Ok, like a square plug 13mm for my Subaru diff or a T70 for the transmission, those aren't unusual at all.
 

Loscaldazar

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Ok, like a square plug 13mm for my Subaru diff or a T70 for the transmission, those aren't unusual at all.

If you think those two are bad, try working on some German stuff and even now many modern American cars.
 

Nanashi

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Joined
Mar 30, 2013
Messages
384
I mostly only have tamper proof torx however not ever size is made in tamper proof if I am not mistaken. Anyway I dont care which one I grab when I am doing the job as long as it works. Torx bolts rarely ever require a whole lot of torque to begin with so the statement one is weaker then the other is actually pointless to me.

If it fits on an impact iv used it on an impact. I broke one tamper proof driver on a ford focus coil pack. I had to get out the hand impact driver to brake the freaking thing loose with one of my torx bits. Other than that I iv never broke one. That bolt had some corrosive issues though so I guess thats something to think about.
 

Fcvapor05

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May 4, 2014
Messages
1,079
Airbag and airbag control modules from almost every manufacturer have Torx Tamper proof. Might even be federally mandated. Never seen them elsewhere on a car, but I work on Subarus, and Subaru isn't like some manufacturers that like to make everything difficult and require strange sizes and drive bits everywhere (looking at you, BMW).

Once upon a time I owned a pretty awesome '95 M3.. and I could take the whole front end apart, including getting the engine out of the chassis, with 5 tools total: 3/8 drive ratchet, 10, 12, 14mm sockets, and 10mm combination wrench. Why the hate!?
 
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