CHICAGO-LATROBE Aircraft Extension Drill: 1/2", 6" Overall Lg, 135° Split Point

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in hard metals. Its 6" overall length and 135° split point reduce walking and improve penetration, making it ideal for aircraft maintenance, sheet metal fabrication, and structural assembly where NAS 907 Type B compliance is specified.

The CHICAGO-LATROBE Aircraft Extension Drill (MPN 11030) has a 1/2" diameter, 6" overall length, 135° split point, and black oxide finish on high-speed steel. It meets NAS 907 Type B specifications. The black oxide coating enhances lubricity and corrosion resistance for extended tool life in demanding environments.

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill (MPN 11030) worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this NAS-spec drill bit to any country.

Select based on hole diameter, material thickness, and required tolerance. For aerospace work, ensure the drill meets NAS 907 Type B specs. The 1/2" diameter with 6" length suits deep holes in aluminum or steel. The 135° split point reduces thrust and prevents wandering on curved surfaces. Always match the drill to your material and application.