Stripped Alan Head

[RED RAIDER]

What is the easiest way to get a stripped Alan head screw loose on the sights?

[rbs]

EZ Out screw extractor, try Sears

[Rover]

EZ- Out and you may not even need to drill.

[RED RAIDER]

Thanks guys. I'll get an ezout.

[Wynne G Oldman]

You could also try hammering a slightly larger Torx bit into the stripped Allen headed screw.

[Pheyden]

Further to wynne's comment, thus light tapping of the Torx bit into place will also help disturb the "bond" that is holding the Allen screw in place.

As a "last resort", you could find a VERY talented welder with a TIG welder and have him weld an ordinary hex bolt shaft to the head of the Allen screw. Then just back out the whole assembly. As I said, you need a talented TIG operator to do this.

[beye]

You could also try hammering a slightly larger Torx bit into the stripped Allen headed screw.

This has worked also for me nearly every time. Be sure to use a good quality bit.

[JamesH]

You could also try hammering a slightly larger Torx bit into the stripped Allen headed screw.

This has worked also for me nearly every time. Be sure to use a good quality bit.

This does work.
Also remember to use good quality Allen keys in the first place, and throw them out or grind them back when worn.

Now I think about it sometimes you can achieve the same trick by grinding back the Allen key nice and square and tapping that in.
Sometimes the bottom of the head is still OK as the tip of the key and the top of the head usually wear first.

Never use a ball-ended Allen key to undo a bolt - these are for spinning them out quickly once they've been loosened.
Teasing a broken-off ball out of an Allen head is not funny, sometimes they jam in just as they break and won't fall out, and the ball really chews up the head if it doesn't break.

[RED RAIDER]

Tried the easy out.all it did was wallow out the head. Now what do I do?

[David Levene]

Tried the easy out.all it did was wallow out the head. Now what do I do?

Unless I thought that thread-lock had been used I would be tempted to drill the head off.

As you are having to ask however, can I suggest taking it to a gunsmith.

[RED RAIDER]

no there is no thread lock on the screw.

here is what it looks like now.

[bandur60]

A different approach that has worked for me two times is to use a left-hand-twist drill bit; must add that I didn't break it (the drill bit) either time.... knock on wood, for me.

[Rover]

"Tried the easy out.all it did was wallow out the head. Now what do I do?"

You DID use the drill first, didn't you?

[joel]

I can't quite tell by your picture, but if there is room, you can cut a slot across it and use a flat blade screwdriver to remove it. Other things to consider are, was lactite used? If so, then apply heat first. Over torqued might benefit from using some Kroil and let set for a few minutes and then try again. You can also try drilling a hole through the sides of the head and then put a small rod through it and turn. Again, I can't quite see the screw so I'm not sure what would work. There's always the EDM (MDM) :)

Joel

[RED RAIDER]

What are the consequences of drilling out the whole screw?

[cmj]

Cant tell from the picture if any of the head is sticking up above the surface. I would use a dremel tool and cut a slot in the head and use a screwdriver to remove. If could get a small vice grip on it might also try that.

[JamesH]

What are the consequences of drilling out the whole screw?

This is rarely possible, the drill wanders off the hard screw into the soft surrounding material.
Even if you can you're left with a coil of material in the thread, sometimes you can get it out.

Can you post pics from some other angles?

[RED RAIDER]

What are the consequences of drilling out the whole screw?

This is rarely possible, the drill wanders off the hard screw into the soft surrounding material.
Even if you can you're left with a coil of material in the thread, sometimes you can get it out.

Can you post pics from some other angles?

Here is a different angle of the pic.

[Wynne G Oldman]

Another simple and effective way (not for the faint hearted) is to use either a chisel or a flat bladed screwdriver. First, hammer it into the edge of the screw that is accessible, so that it has purchase on it, then knock it round anti clockwise. Good luck.

[rmca]

That looks like a sight that's attached to a dovetail on the gun. Is that so?
If it is, usually on the other side of the screw there will be a "clamp", to which the screw threads on, in order to squeeze it against the dovetail and hold the sights in place.
If this is what you have, you can simply drill out the head of the screw, until it separates from the shaft. Then you can remove it quite easily. There's no tension on the clamp, so it falls. The shaft that is screwed to the clamp usually unscrews well by hand unless it has been locktited.
Had to do this once on a friend's rifle, as I coun'd get the screw out any other way. On a front sight riser.
Use a handheld screwdriver or a power drill at low speed. Stop once the head of the screw spins loose.

Hope this helps