Do it yoursel Removal of Broken Bolt in deep hole

broken bolt

Have you encounter a broken bolt in a deep hole and want to remove it yourself.

Removing a broken bolt is both hard and tricky at the same time, especially if you don't use the right tool. For us to remove it efficiently I will list the tools you should prepare before starting the job.


List of Tools.

1: A Penetrating Oil (WD40)
2: Center Punch
3: Hammer
4: Left Hand Drill Bit
5: A Drill
6: Screw/stud Extractor (easy out)
7: Wire brush 

Steps to Remove Broken Bolts on Deep hole.

1: First apply penetrating oil by spraying WD40 and let it soak for 10 - 15 mins make sure to spray it again every 5mins.

2: Use the center punch and hammer and make a pinhole in the center of the bolt to guide our drill machine. like in the illustration below.

Pilot Hole

3: Use a left-hand drill bit and a drill machine and slowly drill a pilot hole to guide our bolt extractor.

Drill Machine


4: Use a Screw/Stud Extractor to remove the broken bolt.

Using Extractor

5: lastly after you remove the bolt clean the thread by using WD40 and clean the hole to remove metal particles use a wire brush.

A friendly reminder as always wear a piece of protective equipment and use tool and chemical away from children reach and always be positive stay safe, God Bless.