Alpen 3 flute HSS Cobalt Countersink Bit 20.5mm
A 3 flute 90° HSS Cobalt metal cutting countersink; the 3 flute pattern avoids most of the surface chatter normally associated with a countersink.
The HSS Cobalt combination makes this countersink ideal for use in both ferrous and non-ferrous materials, but is especially good when working with stainless steel.
20.5mm diameter.
