1/4 100° – 1 Flute Hyper Countersink • HSS • For Chamfering, deburring, and countersinking • Can also be used to enlarge holes in sheet metal List Number ZD63316 Fractional 1/4 Decimal Equivalent 0.2500 Overall Length 2" Substrate HSS Angle 100° Package Quantity 1 Shank 1/4 Flute Count 1 SKU: ZD63316 Category: Countersinks Related products 1/8 82° – 1 Flute Solid Carbide Countersink Item #: SC08126 1/4 90° – 1 Flute Solid Carbide Countersink Item #: SC08250 3/8 82° – 1 Flute Solid Carbide Countersink Item #: SC08376