Drill America D/AA/CX127/16 Premium Aircraft Extension Drill, 7/16 in Drill - Fraction, 0.4375 in Drill - Decimal Inch

Drill America Aircraft Extension Drill, Premium Quality, Series: D/AA/C, 7/16 in Drill - Fraction, 0.4375 in Drill - Decimal Inch, 12 in Overall Length, 4-1/16 in Cutting Depth, 2 Flutes, 4-1/16 in Flute Length, Round Shank, 135° Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Mild Steel.

Features

• 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