Dormer Step Drill Bit, Jobber Length, Series: A412, Metric, 11 mm Diameter Minimum Hole, 21.5 mm Diameter Maximum Hole, 141 mm Overall Length, 2.5XD Cutting Depth, 23 mm Step Depth, 70 mm Flute Length, 21.5 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

ITEM FEATURES:

• No coolant channel
• Included Angle 90 deg