please bolt help!

89blaster89 said:
ok coo so how exactly do you use those?
Click to expand...

choose a bit/extractor slightly smaller than the broken bolt, use the drill bit to drill a hole into the broken bolt,
careful not to go too deep (a piece of tape around the bit will help determine how deep to go, use a good bolt to judge depth needed, no need to go completely thru)
then use the extractor in the counter clockwise direction to grab and extract the bolt.

get some PB Blaster on it now to help free it
 
89blaster89 said:
ok cool i guess ill order some of those
Click to expand...


any good local hardware, home, tool or auto store should have them...ace, home depot, lowes, harbor freight, advance auto, autozone, napa, o'reily's, ect. ect.
i have a set of craftsman from sears
 
Just be careful with the bolt extractor they are easy to break and hard to get out once broken. Don't jerk on them and you should be ok.
 
Center punch the broken bolt before you try to drill it. If you are getting close to the bolts diameter with the extractor size and you aren't pretty close to center, you can drill out of the bolt and into the tapped hole. That can cause damage to the threads you will be wanting to use when you put it back together. If you're having to drill it with a hand drill, straight and centered will be a little harder but can be done. Watch for lead off, getting the hole drilled at an angle is what causes the extractors to break, then you really have problems. Hard tools like extractors and taps will take allot of force when turned but break when they are loaded from an angle.
 
As long as it is made for metal might be worth it to buy nice bit so it is easier to drill it out.
 
dksix said:
Center punch the broken bolt before you try to drill it. If you are getting close to the bolts diameter with the extractor size and you aren't pretty close to center, you can drill out of the bolt and into the tapped hole. That can cause damage to the threads you will be wanting to use when you put it back together. If you're having to drill it with a hand drill, straight and centered will be a little harder but can be done. Watch for lead off, getting the hole drilled at an angle is what causes the extractors to break, then you really have problems. Hard tools like extractors and taps will take allot of force when turned but break when they are loaded from an angle.
Click to expand...

If you can use a T bar on them it is best, they do not like being pulled from one side.
 
89blaster89 said:
wait so i could drill it out with a regular drill bit?
Click to expand...

It depends on the bolt. There are different grades of bolt, some grades are just carbon steel and some are tempered alloy. Metric marked with 10.9 are hard where a standard grade 2 is pretty soft. I don't like to try to drill anything over grade 5 (or 8.8 in metric) with anything less than Cobalt. Do you have access to a welder? A pretty cool trick to remove a bolt that's about flush wit the surface on aluminum is the lay a nut (next size below the bolt diameter) and fill the nut with a bead, welding the nut to the broken bolt. The quick dose out heat will expand the aluminum and a wrench will work on the nut you welded on. It can be done in steel too, but it takes a bit more welding skill. I've done it in both aluminum and steel, especially on smaller diameter bolts where the easy out would have had to been very small.
 
Before you go to drilling into a broken bolt, try this trick:


Provided you can find the right size nut, it works like a champ! I hate to drill, but have had wonderful luck with the welder. And yes, this technique works on small bolts. Just be patient and use enough heat to achieve good penetration. You may snap a couple nuts before getting a good weld penetration on the broken bolt.
 
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