Dormer Taper Length Drill, Long Length, Series: A110, 9.6 mm Drill Size - Metric, 0.378 in Drill Size - Decimal Inch, 184 mm Overall Length, 6XD Cutting Depth, 2 Flutes, Spiral Flute, 121 mm Flute Length, 9.6 mm Shank, Straight Shank, 118 deg Point, Split Point, Right Hand Cutting, HSS Cutting Edge, HSS, Oxide Treated, Applicable Materials: Magnetic Soft Steel, Structural Steel, Case Carburizing Steel, Plain Carbon Steel, Alloy Steel, Hardened and Tempered Steel