HSS-Co (5% Colbalt) Drill Bits 1-6mm 41pcs (0.1mm Increment)
HSS-Co Cobalt Steel Alloy (5% Cobalt):
•HSS Cobalt drills will hold their hardness at much higher temperatures than standard HSS Drills
•Good for drilling aluminium, cast iron and steel and especially good for stainless steel and other hard materials
Split Point geometry: (from 3.0mm up)
•Self centring (no wander)
•Closer hole tolerances
•Reduces thrust required