5/8 90° – 1 Flute Hyper Countersink • HSS • For Chamfering, deburring, and countersinking • Can also be used to enlarge holes in sheet metal List Number ZD65040 Fractional 5/8 Decimal Equivalent 0.6250 Overall Length 2-1/2 Substrate HSS Angle 90° Package Quantity 1 Shank 1/2 Flute Count 1 SKU: ZD65040 Category: Countersinks Related products 1/2 90° – 1 Flute Solid Carbide Countersink Item #: SC08500 1/2 82° – 1 Flute Solid Carbide Countersink Item #: SC08501 1/4 82° – 1 Flute Solid Carbide Countersink Item #: SC08251