Snap-On has a similar line of tools.
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> From: Eric Murray <ericm@lne.com>
> To: tboicey@brit.ca
> Cc: shop-talk@Autox.Team.Net
> Subject: Re: Broken Stud
> Date: Friday, March 21, 1997 12:13 AM
>
> Trevor Boicey writes:
> >
> > Michael Leach wrote:
> > > Pickup an ez-out kit from your local hardware supply if you don't
> > > already have one. Drill out the center of the broken bolt and use
> > > ez-out to remove broken bolt. It seems to work everytime.
> >
> > It does indeed work everytime, a very great tool.
> >
> > BUT.
> >
> > When the easy out breaks, you are REALLY done for. I broke
>
> Easy-outs are made from very hard and brittle steel.
> Even a little sideways pressure on the smaller ones
> and they'll snap.
>
> You can (if you're lucky) grind out a broken easy-out with
> tungsten-carbide tools. If you're not lucky it's EDM time.
>
> I have also used a type of extractor made by Rigid which uses rods
> with sharp splines on the outside. You drill a specific-sized
> hole in the bolt, then tap the rod in, then slide a collar over
> the rod that engages with the splines and has a hex on the outside
> so you can turn it. These are great because the rods aren't nearly
> as hard as easy-outs so they don't break (they'll bend first).
> Also they get a lot of contact inside the hole, for better grip
> on the bolt.
>
> The only problem is that I don't know where to get them; I have used a
set
> belonging to a friend who used to be a car mechanic but I haven't
> seen any of them for sale.
>
> --
> Eric Murray ericm@lne.com Network security and encryption
consulting.
> PGP keyid:E03F65E5 fingerprint:50 B0 A2 4C 7D 86 FC 03 92 E8 AC E6 7E 27
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