CHICAGO-LATROBE Aircraft Extension Drill: 1/4", 12" Overall Lg, 135° Split Point

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in hard metals. Its 12" overall length and 135° split point reduce walking and improve chip evacuation, making it ideal for aircraft assembly and maintenance tasks where precision and reliability are critical.

The CHICAGO-LATROBE 11108 is a 1/4" diameter, 12" overall length aircraft extension drill with a 135° split point and black oxide HSS finish. It conforms to NAS 907 Type B and is manufactured under part number 11108. The black oxide coating provides lubricity and corrosion resistance for extended tool life.

3G Electric supplies the CHICAGO-LATROBE 11108 aircraft extension drill worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this NAS-spec tool to any country.

Select based on hole depth and material. The 12" overall length suits deep drilling in aerospace alloys. The 135° split point reduces thrust and prevents walking on curved surfaces. For NAS 907 Type B compliance, verify diameter (0.2500") and shank design. CHICAGO-LATROBE drills are engineered for high-speed steel performance in demanding environments.