yellowlabsrule said:
kalibos said:
they make a tool that has 4 little fingers that fit in the grooves down the side of the tap that will let you screw the broken piece back out
Yeah I'm looking at that now made by Walton.I think I will give it a try
http://www.amazon.com/Walton-10063-Flute-Extractor-Square/dp/B0006N8DFK
Those tap removers sound good but generally they self destruct as the small claws that reach down into the tap flutes just cannot get enough bite before they deform or break from the stem area of the tool. My experience anyhow. Carbide bits will walk and wander as there is no stable/flat surface to drill against. A Dremel burr of hardened steel can work to some degree of success., but>>
For the money and time I have found that the advice already given above in using a nail set or very fine chisel to "fracture" the brittle tap is the best path to removal. You can also try using the set or other instrument to drive the tap at an angle to revolve or turn the tap so it threads it's way back out. Sharpen a hardeened tool if you need to make a fracturing tool.., try to fratcure the cutting flutes off the main body etc.