umm your testing my brain now i think both are m2
now ive got everything sorted i can do some proper mirror mount testing to get them perfect.taggalucci
Although I don't have any of these mounts (yet), I've used similar and I've found it's ideal to get a good balance between the push (grub screws) and pull (bolts). Basically relaxing the one and tightening the other so that the opposing forces keep the mount position in check.
i best get some more drawings over to dan so i can start an 8 diode build. i need to get that design right before i move onto a 3watt version