Removing broken self tappers

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DaveEFI
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Joined: Fri Feb 26, 2010 4:27 pm
Location: SW London, UK

Removing broken self tappers

Post by DaveEFI »

I'm trying to remove some tiny self tappers from a box section - and they are well rusty. Some sheared off - even after being soaked in Plus Gas for several days. Got some of those where they'd left a stump out with mole grips - but a couple are flush with the box section, which I don't want to damage.

I do have small tungsten carbide drills for PCB use - but don't want to risk breaking them given their cost.

Any bright ideas? Arc welding nuts into them would be my favourite way - if they were larger.


Dave
London SW
Rover SD1 VDP EFI
MegaSquirt2 V3
EDIS8
Tech Edge 2Y

gelmonkey
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Location: plymouth

Post by gelmonkey »

Hi Dave

If you want to PM your address I can send you some 3mm drills to take the little buggers out.

cheers
Paul

DaveEFI
Gold Member
Gold Member
Posts: 4603
Joined: Fri Feb 26, 2010 4:27 pm
Location: SW London, UK

Post by DaveEFI »

I remembered I had some diamond coated assorted burrs for a Dremel (local market stuff and cheap) so decided to try them. The small ball ground down through the stump easily. So I'm happy.

Thanks for the offer, though.
Dave
London SW
Rover SD1 VDP EFI
MegaSquirt2 V3
EDIS8
Tech Edge 2Y

gelmonkey
Sergeant Monkey Face
Posts: 1307
Joined: Sat Jun 27, 2009 11:58 am
Location: plymouth

Post by gelmonkey »

Ok
You are welcome

P

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