Qualtech DWDA/CX12F Economy Aircraft Extension Drill, F Drill - Letter, 0.257 in Drill - Decimal Inch, 135° Point, HSS

Qualtech Aircraft Extension Drill, Economy, Series: DWDA/C, F Drill Size - Letter, 0.257 in Drill Size - Decimal Inch, 12 in Overall Length, 2-7/8 in Cutting Depth, 2 Flutes, 2-7/8 in Flute Length, Round Shank, 135° Point, Split Point, Right Hand Cutting, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Mild Steel. The 135° split point is self-centering and reduces thrust. Ideal for drilling in mild steel where extra length for reach is required. They have at black oxide surface treatment that is abrasion-resistant, reduces chip welding and improves chip flow.