Dormer Dormer Aircraft Extension Drill, Type B, Series: LV535, #30 Drill Size - Wire, 0.1285 in Drill Size - Decimal Inch, 6 in Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 1-5/8 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