3/8 100° – 1 Flute Hyper Countersink • HSS • For Chamfering, deburring, and countersinking • Can also be used to enlarge holes in sheet metal List Number ZD63324 Fractional 3/8 Decimal Equivalent 0.3750 Overall Length 2" Substrate HSS Angle 100° Package Quantity 1 Shank 1/4 Flute Count 1 SKU: ZD63324 Category: Countersinks Related products 1/4 60° – 1 Flute Solid Carbide Countersink Item #: SC08252 1/8 90° – 1 Flute Solid Carbide Countersink Item #: SC08125 1/2 90° – 1 Flute Solid Carbide Countersink Item #: SC08500