Description Five Flute Chamfer Debur Countersink 1 4 Hex Ideal for chamfering deburring and countersinking Five flute design provides small chip loads and quicker removal High speed steel construction 1 4 hex shank 90 Degree chamfer Shank Size 1 4 6 3mm hex shank Tip Degrees 90 Material HSS Item Type Countersink Flute five fluteApplication Material Wood plastic Aluminum plate etc Package Included 6 X Countersink Chamfer Drill Bits SetDetail Pictures