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Tamper-proofing screws #168827
09/17/07 06:37 AM
09/17/07 06:37 AM
Trumpy  Offline
OP
Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
My Aiwa stereo threw a wobbly last week and with it being 7 years out of warranty, I decided to have a go at repairing it myself.
That was until I turned it around on my workbench to find some very strange looking screws holding the rear cover on.
I've got a very large collection of screwdrivers and bits for tamper-proof screws, but this was a new one on me.
It seems that every time I need to loosen a tamper-proof screw, I end up buying a new bit or screwdriver.
Unfortunately, these screws in the back of the stereo were the sort that only screw in, you can't get them out again, there is no "reverse" part to the screw slot.
Anyway, Mr Dremel won that argument and I found a dry joint where the power transformer secondary feeds into the main board, it just struck me as strange that it took 8 years to fail.
Anyhow, has anyone else ever had a similar experience with these annoying screws?.

Work Gear for Electricians and the Trades
Re: Tamper-proofing screws [Re: Trumpy] #168829
09/17/07 10:34 AM
09/17/07 10:34 AM
L
livetoride  Offline
Member
Joined: Jan 2005
Posts: 109
san diego ca usa
I use the same tool as you, "Mr Dremal" is my friend. They do make a tool that is the negetive of the screw head for removing them but like you I have too many bits all ready. Rod

Re: Tamper-proofing screws [Re: livetoride] #168833
09/17/07 05:40 PM
09/17/07 05:40 PM
B
BigB  Offline
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
One trick I heard of that the guys in the joint use, you take a toothbrush handle, heat it up till it's soft, then press it into the tamper proof screw head. Let it cool and now you have the tool to remove the screw.

Re: Tamper-proofing screws [Re: BigB] #168834
09/17/07 06:07 PM
09/17/07 06:07 PM
G
GA76JW  Offline
Member
Joined: Mar 2004
Posts: 193
Suwanee, GA USA
Originally Posted by BigB
One trick I heard of that the guys in the joint use, you take a toothbrush handle, heat it up till it's soft, then press it into the tamper proof screw head. Let it cool and now you have the tool to remove the screw.


Well you learn something new everyday..........huh....


"If common sense was common, everyone would have it"-not sure, someone here

Re: Tamper-proofing screws [Re: GA76JW] #168835
09/17/07 06:14 PM
09/17/07 06:14 PM
J
JoeTestingEngr  Offline
Member
Joined: Nov 2005
Posts: 791
Chicago, Il.
Mike,
I bought one of these a few years ago to take care of most.

http://www.electronix.com/catalog/product_info.php/cPath/435_63/products_id/9288

I'm wondering if the on you dealt with takes this tool.

http://www.electronix.com/catalog/product_info.php/cPath/1_25/products_id/8709
Joe

Re: Tamper-proofing screws [Re: BigB] #168836
09/17/07 06:39 PM
09/17/07 06:39 PM
Trumpy  Offline
OP
Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
Originally Posted by BigB
you take a toothbrush handle, heat it up till it's soft, then press it into the tamper proof screw head.

Thanks a lot for the tip, BigB!, I'll keep that in mind. wink

Joe,
Yeah, I've got a few of them sets, each having a different selection of bits.
One bit I really find annoying is the smallest "snake-eyes" screw bit, if you happen to turn the driver with too much force trying to initially get the screw to loosen, you can kiss that bit goodbye, I've snapped more of them bits than any other.
Our local automated toilet cubicles down town used them screws prolifically, all though it never stopped all the vandalism that used to occur on the weekends.

Re: Tamper-proofing screws [Re: Trumpy] #168838
09/17/07 07:32 PM
09/17/07 07:32 PM
N
NORCAL  Offline
Member
Joined: Sep 2002
Posts: 876
Tamper proof????? Tamper resistant is much more accurate IMO.

Re: Tamper-proofing screws [Re: NORCAL] #168839
09/17/07 08:57 PM
09/17/07 08:57 PM
N
NJwirenut  Offline
Member
Joined: Sep 2001
Posts: 806
Bergen County, NJ
Some of us take tamper-resistant fasteners as a challenge of sorts. Kind of like those "no user-serviceable parts inside" labels...:)

Re: Tamper-proofing screws [Re: NJwirenut] #168841
09/17/07 09:30 PM
09/17/07 09:30 PM
N
NORCAL  Offline
Member
Joined: Sep 2002
Posts: 876
Originally Posted by NJwirenut
Some of us take tamper-resistant fasteners as a challenge of sorts. Kind of like those "no user-serviceable parts inside" labels...:)



LMAO.:D

Re: Tamper-proofing screws [Re: NORCAL] #168865
09/18/07 06:22 PM
09/18/07 06:22 PM
TOOL_5150  Offline
Member
Joined: Aug 2007
Posts: 61
Bay Area
Yeah, but we do not have to worry about those labels, because we are electricians, not users - Right??


~Matt


I would rather beg for forgiveness then beg for permission.
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