Description
20mm Short Ball Nose Threaded HSS Cobalt Slot Drill
HSS-Co8 (Cobalt) centre cutting, short threaded, ball nose
Sometimes referred to as ball cutters, or ball nose end mills.
For general milling operations - creating slots and cavities.
Commonly used when milling soft steels and non-ferrous materials that produce large chips.
Fewer flutes are best for chip evacuation, keeping the bit cooler, but leave a rougher surface finish.