Dormer Step Drill Bit, Jobber Length, Series: A413, Metric, 4.5 mm Diameter Minimum Hole, 8 mm Diameter Maximum Hole, 79 mm Overall Length, 2.5XD Cutting Depth, 11 mm Step Depth, 37 mm Flute Length, 8 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 180 deg