Hartmetallspitze TCT Bohrer 3mm-16mm Spiralbohrer für Edelstahl
ab 2,84 €
Pursuit of Heartbeat From Details. Drill holes. General high-speed steel drills are only suitable for drilling holes in materials with hardness below 40HRC. When the material hardness exceeds 45HRC, cobalt-containing HSS drills can be used to drill holes.
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