Here’s a tool set worth every penny; especially when it comes to removing buggered up fasteners. The multi-spline extractor is a different version of what is commonly called an “Easy-out”. This tool excels in removing buggered-up socket head (Allen) setcrews; especially when the setscrew is located in a confined location. The best part about using this particular item is that no precision left-hand drilling & further precaution is required as the more commonly known version of “Easy-out” requires.
I had to remove a 5mm hex socket setscrew in order to proceed on an important 500E project (subject of a future write-up). Naturally, the setscrew is located in a supreme PITA location. I believe this setscrew may have been “set” by someone else in the past, because the hex socket corners appeared ever-so-slightly rounded. The possibly over-torqued setscrew defiantly resisted the removal attempts of standard hex keys. Any further attempts would only succeed in further rounding out the hex socket flats, leaving me furiously SOL (sh*t outta luck).
I selected an extractor which bedded into the setscrew hex socket. This extractor was fit into a 13mm socket on a ratchet. Slowly turning the ratchet, the extractor splines firmly dug into the hex socket, broke the torque tension and reversed the setscrew out easily. Joy to the World!
The multi-spline extractor indeed provided an “easy” solution to a potentially huge problem & all the coinciding aggravation attached to it & passed on to others.