Dormer Taper Length Drill, Long Length, Series: A110, 4.4 mm Drill - Metric, 0.1732 in Drill - Decimal Inch, 126 mm Overall Length, 6XD Cutting Depth, Spiral Flute, 82 mm Flute Length, 4.4 mm Shank, Straight Shank, 118 deg Point, Split Point, Right Hand Cutting Direction, 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