Dormer Taper Length Drill, Long Length, Series: A110, 7 mm Drill Size - Metric, 0.2756 in Drill Size - Decimal Inch, 156 mm Overall Length, 6XD Cutting Depth, Spiral Flute, 102 mm Flute Length, 7 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