Dormer 5970341 A412 Jobber Length Step Drill Bit, 3.4 mm Dia Min Hole, 6.6 mm Dia Max Hole, HSS, 6.6 mm Shank

Dormer Step Drill Bit, Jobber Length, Series: A412, Metric, 3.4 mm Diameter Minimum Hole, 6.6 mm Diameter Maximum Hole, 70 mm Overall Length, 2.5XD Cutting Depth, 9 mm Step Depth, 31 mm Flute Length, 6.6 mm Shank, Straight Shank, 118 deg Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Steam Tempered, Applicable Materials: Aluminum, Magnesium, Cast Iron, Copper, Nickel, Stainless Steel, Steel Alloy, Titanium and Synthetic Material