CHICAGO-LATROBE Aircraft Extension Drill: #7, 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill #7 is designed for drilling in tight, hard-to-reach spaces on aircraft assemblies and other precision metalwork. Its 6-inch overall length and 135° split point allow accurate starts without walking, while the black oxide HSS construction resists wear and corrosion.

The CHICAGO-LATROBE Aircraft Extension Drill #7 (MPN 11037) has a 0.2010-inch diameter and 6-inch overall length. It features a 135° split point, black oxide finish on high-speed steel, and conforms to NAS 907 Type B standards. This NAS-spec drill bit is built for aerospace-grade drilling applications.

You can source the CHICAGO-LATROBE Aircraft Extension Drill #7 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this NAS 907 Type B drill bit.

Select based on hole diameter and material. The #7 size (0.2010-inch) suits standard aircraft fasteners. For hard metals, the 135° split point reduces thrust and prevents walking. Ensure the 6-inch length reaches your work area. CHICAGO-LATROBE's black oxide HSS provides heat resistance for extended tool life.