23-05-17, 10:52 PM
Thanks Unfazed, will try to find some 
I've just looked up tap sizes for 5mm diameter holes, and it appears for an m6 tap, you need a 5.2mm hole. I'm wondering if this is the issue since I'm trying to tap a 5mm hole.

I've just looked up tap sizes for 5mm diameter holes, and it appears for an m6 tap, you need a 5.2mm hole. I'm wondering if this is the issue since I'm trying to tap a 5mm hole.