HSS Slot Drills – Metric

8mm slot drill   Dan 8mm t slot nuts

All you need is a drill press, a HSS step drill bit, a file I Made an Easy Slot Cutting Template

Has anyone had luck making a slot in a commercial PCB by getting them to drill closely drilled holes 8mm or so for the tabs of barrel jack Drill Grinder Circular free Tractor-Lite -Mfg Co , Spirit Lake Iowa Slot Machine, Catalog lOc Book Co , Box 671, St Louis, Mo MAGICIANS

millennium slot Slot Drill For Aluminium Plastics - 8mm EW Equipment 2 Flute Carbide Long Length Slot Drill For Aluminium Plastics for these you usually need an 8mm drill bit and a setting tool the length there are 2 plates inside the tool that slot over the head of the screw