I've read a number of threads dealng with removing bolts/screws coated with Loctite. Attached is a photo of a Micro Torch. I've found it to be extremely useful when one needs a very hot/very localized heat. Great for heating allen screws/bolts that have had Loctite applied. Also great for soldering and localized annnealing for drilling and tapping holes. Adjustable flame/tip, refillable with Butane.About $7