FKD Countersink Mill 4 CB-4 1 piece

Catalog number: CB-4 Features: ● A countersink cutter for sinking the head of a hexagon socket bolt. High economic efficiency is maintained with a large number of re-grinding times. Applications: ● Workpiece: carbon steel, alloy steel, tool steel, cast iron, non-ferrous metals, aluminum alloys. Specifications: ● Outer diameter (mm): 7.4 ● Guide diameter (mm): 4.2 ● Total length (mm): 45 ● Shank diameter (mm): 6 ● Compatible bolt: M4 ● For hexagon socket bolts Material/Finish: ● High speed steel (SKH51)