Yes when using a LH twisted drill rotating in a CCW direction many RH threaded broken bolts and studs can be removed almost as fast as the bolt or stud broke. If the item is not removed with this method you now have a hole drilled for an Easy-Out.
BTW: If you are getting paid to remove the bolt or stud for a customer, tell them the price of the machining charges up front. Also might be a good idea to have them step out of the shop for a cup of complimentary coffee or something. My minimum charge for this type of work was $20. I was usually finished in 5-minutes or less total time!
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I do what I can, when I can, the best I can - with what I have to work with!
trying-it (AKA: Stan)
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