Irwin HSS Kobalt Bohrer (2) 1,0 mm OL:34 mm WL:12 mm
1,60 €
Their 135 split point grinding ensures perfect centring and reduced drilling pressure. The drill bit body is manufactured from high quality HSS steel containing 5% Cobalt (Co). The added 5% Cobalt improves the red hardness (heat resistance) of the drill bit and results in significantly extended life.
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