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Author Topic: How to Use a Screw Extractor  (Read 8751 times)
yoda
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« on: August 09, 2005, 05:43:42 PM »

a new article uploaded to mankymonkeymotors.co.uk
http://www.mankymonkeymotors.co.uk/Tech/screw/extract.htm
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flap
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« Reply #1 on: August 09, 2005, 06:41:19 PM »

Ummm Tools, I like tools.
Gonna have to get a set of these now I know how they work. Just in case.  Smiley
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yoda
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« Reply #2 on: August 09, 2005, 06:42:43 PM »

Glad It Helped
we hope to be doing a full series of reports on how
from bleeding brakes to changing fork seals

Yoda
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Manky Monkey
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« Reply #3 on: August 09, 2005, 10:13:46 PM »

Just as soon as we learn how ourselves.
Flap can be found lovingly carressing sockets & torque wrenches at tool stalls the length of the country -a very disturbing sight.
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yoda
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« Reply #4 on: August 09, 2005, 10:16:22 PM »

Just as soon as we learn how ourselves.

hey less of the ourselves :-)
thats your job  Grin
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http://www.bikerlifestyle.co.uk
a saveloy of the first order
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Manky Monkey
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« Reply #5 on: August 09, 2005, 10:31:57 PM »

Oooh bugger.
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yoda
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« Reply #6 on: August 15, 2005, 04:07:57 PM »

Woohoo, the Yoda Brothel opens at 10 tonight, bring your pound coins
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http://www.bikerlifestyle.co.uk
a saveloy of the first order
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Manky Monkey
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« Reply #7 on: August 17, 2005, 10:05:40 AM »

I'm sure I've blundered into the wrong site here!
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BikerGran
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« Reply #8 on: January 21, 2006, 11:50:56 AM »

Mmmm, tools..............

Tools

AIR COMPRESSOR - A machine that takes power from an oil-fired power station 200 miles away and transforms it into compressed air that travels by hose to an impact wrench that grips rusty bolts last tightened 30 years ago in Birmingham and rounds them right off.
BATTERY ELECTROLYTE TESTER - A handy device for transferring sulphuric acid from a battery to the inside of your toolbox after verifying that your battery is deader than a doughnut, just like you thought.
E-Z OUT (BOLT & STUD EXTRACTOR) - A tool that snaps off in threaded holes and is 10 times harder than any known drill bit.
HACKSAW - One of a family of cutting tools based on the Ouija Board Principle: It takes human energy into a crooked unpredictable motion, the more you try to influence it's course, the more dismal your future becomes.
HAMMER - Formerly a weapon of war, this device is now used to locate expensive pieces and body parts near the object we were trying to hit.
PHILLIPS SCREWDRIVER - Traditionally used to stab the lids on old style paper and tin oil cans in order to splash and ruin our favourite shirts, this device is now relegated to rounding heads on Phillips screws.
PLIERS - Used to round off bolt heads.
MOLE GRIPS - Used to round off bolt heads when pliers won’t do the trick. Also used to transfer the intense heat of welding to the palm of your hand.
SCREWDRIVER - Used to open beverage containers, can also serve as a chisel. Works well for removing skin from hand as well as making random gouges in other things.
WIRE WHEEL - Cleans rust and corrosion from old bolts and flings them somewhere under the workbench at the speed of light. Also good for removing fingerprints (from fingers).
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graffian
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« Reply #9 on: September 25, 2006, 03:36:45 AM »

Thought I would add.

There is a fluted type of screw extractor, you drill the hole then hammer the fluted bit in and there is a nut which goes on the flutes and you use a spanner to remove it. I have had far more luck with the flutted ones..

If possible use a drill guide of some sort. the flutted extracors i have came with a set of drill bushings. Grease is good for catching the swarf..

Another thing that often works is a lh drill bit, you can buy them from drill shops but I ground a rh hss drill to cut lh, it had positive rake but it cut enough to grip and unscrew the broken bolt..
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Manky Monkey
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« Reply #10 on: September 25, 2006, 11:43:40 AM »

The fluted thing's worth knowing -thanks for that. Never had much success with extractors. They usually snap off & cause twice as much hassle trying to remove both them & the stud!
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saddlebags
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« Reply #11 on: September 30, 2006, 11:08:49 AM »

Broken screw extractors in a hard to find or impossible to replace parts can be a nightmare,Pm me if you have this problem i can spark erode almost anything.
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Manky Monkey
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« Reply #12 on: September 30, 2006, 08:39:15 PM »

That's a handy service.  Smiley
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Terrortubby
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« Reply #13 on: January 12, 2007, 11:36:04 AM »

Broken screw extractors in a hard to find or impossible to replace parts can be a nightmare,Pm me if you have this problem i can spark erode almost anything.

Will it work on a bloody huge mortgage? Wink
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SWAMPIG
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« Reply #14 on: July 26, 2008, 09:11:25 AM »

the bit about them breaking if you dont use the proper wrench is correct....I bought some Draper stud extracters the other day and thought "use a proper wrench??? yeah right bol**ks" got them back to the garage first bolt came out great using an ajustable spanner, came to do the second one and snap!!! Embarrassed Embarrassed it broke,  not only did it break but the piece that flew off stuck in my arm. so I would recommend using the proper wrenches ....I have bought one now and another set of extracters  Wink
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