stripped one of the screws while trying to remove the triple clamp.
how do i remove the stripped crew? [bang]
Quote from: That Nice Guy Beck! on May 05, 2009, 07:04:56 PM
stripped one of the screws while trying to remove the triple clamp.
how do i remove the stripped crew? [bang]
Pic might help.
Variety of ways to remove. I've hammered a TORX head fitting into one and managed to back it out. Easy out is an option.
I've had good luck using Craftsman Screw Extracotrs
http://www.sears.com/shc/s/p_10153_12605_00966196000P?mv=rr (http://www.sears.com/shc/s/p_10153_12605_00966196000P?mv=rr)
Invest in a set of screw extractors -- you will use for the next 40 years. If that doesn't work, then get a small drillbit and carefull drill it down the center. Try the screw extractor again. Else go to a larger drillbit then extractor. Repeat as required. Patience is a virtue when extracting stripped fasteners. If the fastener had Loctite -- a bit of heat will help as well. When done, run a tap down and cleanup the threads if needed.
Stripped head? Stripped threads? Broken off the head? makes a difference.
The old, bash a torx into it works if the heads done. Not pretty, but it works. Usually a (hand) hammer driven impact driver is handy for this job. Those extractors work well, Craftsman also makes a set that are square, and each edge is a bit blade like. Same basic idea though, drill out head etc, tap in extractor and spin out (you hope)
If you want to get real fancy - get some left handed drill bits. They aren;t super easy to get, you'll probably have to mail order them. I've got a small set for just such jobs. Since the cutting flutes are angled to cut when spinning counter-clockwise they won't drive the offending screw in any further if you have broken off the head - and if you're lucky they sometimes will spin the screw your drilling right out.
If you've stripped the threads... that's gonna suck. You'll have to drill it all out. If you're lucky, the female threads will be ok - but will probably need a little clean up with a tap. But it's quite possible they got buggered in the process and you'll need heli-coil
- Good luck.
stripped head the hole is stripped :-\
you guys think this will work?
(http://img.walgreens.com/dbimagecache/447505.jpg)
when i get the bolt out where do i get a new one? any hardware store?
Orchard Supply and Hardware sells grade 8 metric screws. Or a Japanese bike dealer. You can buy stainless steel screws, but they are softer than the grade 8's.
And if the head is stripped, that is a whole lot easier than if the threads are pulled out of the triple clamp.
(http://www.asseenontvvideo.com/blog/wp-content/uploads/2008/10/mighty_mendit.jpg)
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You might be able to try some SAE size hex bits. If it's almost right put some soft scrub or toothpaste on it, the grit gives you a little more grab. I recently stripped a few, including the center pinch bolt on the top triple with the tiny little head that's yucked in there and hard to get to. The center pinch came out easily with an SAE bit. The other two, I hammered a TORX bit in really hard and they twisted right out. The TORX bit worked amazingly well.
Try the SAE and TORX bit route first. If neither works you can still shoot for the extractors.
Scott
Quote from: scott_araujo on May 06, 2009, 12:17:00 AM
If it's almost right put some soft scrub or toothpaste on it, the grit gives you a little more grab.
Oh yeah - this is a great and in expensive trick. Good call Scott. I usually use valve grinding compound - and the do make a stuff for *just* this application... for twice the price... that looks suspiciously like valve compound... hmm.
Those grabIt style ones should work - sears also sells ones of those flavor.
For replacements - as noted any metric bike shop would have them. If you need a bunch of stuff BoltDepot.com would be a way to go. But if you need just 1 bolt, shipping will hurt.
Yeah, valve grinding compound is great for this but not too many people have it lying around.
Scott