2 PACK 5.5mm Cobalt High Speed Steel HSS Drill Bits Hardened Steels & Cast Iron

Description

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Cobalt Drill Bits 2pk 5.5mm

Overview

HSS precision ground from M35 high speed steel bars with 5% cobalt. For alloys, hardened steels, cast irons, titanium and other hard-to-drill materials such as stainless steel. Always use cooling agent.