Dormer Dormer Aircraft Extension Drill, Type B, Series: 1437G, #10 Drill Size - Wire, 0.1935 in Drill Size - Decimal Inch, 6 in Overall Length, 4XD Cutting Depth, Spiral Flute, 2-7/16 in Flute Length, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting, HSS Cutting Edge, HSS, Bright, Applicable Materials: Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum, Magnesium and Hard Materials