Without seeing it close up I am guessingferrus":fugso9i7 said:Wouldn't they have used a much shorter grub screw if it's just a stop? They've also machined walls about 6mm deep (and threaded) each side of the tang - presumably to keep it in place as it's pushed in by the screw.mdvineng":fugso9i7 said:It's probably there to stop the spring tang from wearing away the alloy.
Agree about preventing wear in the alum though - prob its most useful function!