Questions tagged [stripped-thread]

29 questions
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Thread on bolt - what happened?

This is a follow-up question to Seized nut & bolt - difficult to access What happened - or what did I do wrong - for this bolt to lose its thread in this way? Is it simply doing it up too tightly? Is that all it is?
Stewart
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8
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1 answer

What options do I have if I've stripped the threads for my Helicoil repair?

A while back I had repaired a stripped thread on my aluminium timing chain cover with a M6x1.0 Helicoil. This involved: drilling out the damaged thread tapping a slightly larger M8x1.0 internal thread screwing in the M6x1.0 Helicoil Lately I…
Zaid
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6
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What is cross threading/a cross threaded wheel nut\stud?

What exactly is cross threading, is it a state the threads are in or is it something that people do which causes threads to become in a certain state or both? Please explain what cross threading is. What causes it and how to avoid it. What is the…
James Wilson
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2 answers

JB Welding a Stripped Oil Pan

I have a Honda Civic with a stripped aluminum oil pan. Right now the bolt is holding in place alright with a very slow drip, but with the next oil change I will need to make a repair. I would like to avoid replacing the whole pan due the costs, and…
FreakyDan
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5
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8 answers

Helicoil installed from other side?

I have an aluminium clamp on a bike where the thread has stripped. The steel bolt is okay, but the clamp has very little movement - I can't get a helicoil or drill through one side of the clamp without drilling out the metal under the shoulders of…
Criggie
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5
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2 answers

Is it possible to know if a screw hole needs to be re-threaded?

Last weekend I was re-assembling my engine, and three holes stripped, is there any way to see if a screw hole needs to be re-threaded before it strips?
Rodrigo Alencar
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4
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Stripped header bolt hole. Can I repair w/o taking out the engine?

So I installed new headers onto my 95 mustang GT with a friend who "knew what he was doing" until he stripped one of my manifold bolt holes. I know I can either insert new threads or tap and dye it, but I want to know if I need to pull the engine to…
Brian
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How to check if bad spark plug threads are causing compression loss

How do you check if your spark plug threads are bad? I would like to know the most non-invasive method of checking this and also the most cheapest way to check this.
Zero
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3
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Can metal putty be used to repair stripped threads in aluminum castings?

I've been burnt by stripped threads on a couple of occasions now, so knowing that metal putty could be used to re-tap a brand new thread in aluminum would be reassuring. I recently came across Liqui Moly Metal Putty. The data sheet says: Liqui Moly…
Zaid
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Spark plug repair kit tap will not grip existing threads in spark plug hole

I have a 2005 Hyundai Elantra that recently blew out a spark plug. My understanding is that I need to re-tap the spark plug hole and insert a sleeve. I purchased the Lisle 65200 plug hole repair kit for the job. The tap starts with original size…
Terry
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Is my oil pan drain stripped?

2008 BMW 328i, aluminum oil pan. Changed the oil myself for the first time on this car. When I put everything back together the drain plug is dripping slowly. I go back under the next day to tighten the bolt and ... it sure seems like it's stripped.…
Alesh Houdek
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What are the options for repairing threaded bolt hole without drilling

I have a bolt hole in a head that's stripped. The hole takes a M7 bolt, should be tightened to 17NM, and is used to fasten a water pipe onto the head. The bolt just spins when I try to tighten to torque. It's in a hard to reach and see spot, so even…
user43704
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Stripped Thread: Motorcycle Brake Lever Master Cylinder

I was busy re-positioning the brake lever (left-to-right on the handlebar) by loosening the bolts that clamp the brake lever master cylinder onto the handlebar. When I tightened the bolts I noticed the bottom bolt wouldn't tighten properly, upon…
Willem
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Drive Shaft Threads Shredded Possible To Still Use It?

Just went ahead to change my transverse link/control arm, the drive shaft was stuck assuming from rust and I couldn't get it free, hammered it with the nut on and nothing, then with the nut off and it came loose. Such a stupid mistake as I damaged…
Dave1UK
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Stripped Threads in Hyrdo Boost

From the pictures above, I have a hydroboost that I need to attach a hose/line to. The problem is that when trying to screw in the bolt with just my fingers, I get a little bit of resistance, and the bolt pops out. To me, the bolt looked slightly…
Wolf Zwiener
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