CHICAGO-LATROBE Aircraft Extension Drill: #23, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #23 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y17, MPN 11147) with a 0.1540-inch diameter, 12-inch overall length, 135° split point, and black…
SKU 3G-OTH-208078
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #23 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y17, MPN 11147) with a 0.1540-inch diameter, 12-inch overall length, 135° split point, and black oxide finish. It meets NAS 907 Type B specifications.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #23 used for?
The CHICAGO-LATROBE Aircraft Extension Drill #23 is used for drilling precision holes in aerospace and industrial applications where extended reach is required. Its 12-inch overall length and 135° split point allow accurate starts in metal, composites, and alloys. It meets NAS 907 Type B specifications for aircraft maintenance and manufacturing.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #23?
The CHICAGO-LATROBE Aircraft Extension Drill #23 (MPN 11147) has a 0.1540-inch diameter, 12-inch overall length, 135° split point, and black oxide finish on high-speed steel. It meets NAS 907 Type B specifications. This NAS-spec drill is designed for extended-reach drilling in aerospace and industrial settings.
Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #23 worldwide?
You can source the CHICAGO-LATROBE Aircraft Extension Drill #23 worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply this NAS 907 Type B drill to aerospace and manufacturing customers globally.
How to select the right CHICAGO-LATROBE Aircraft Extension Drill for your application?
To select the right CHICAGO-LATROBE Aircraft Extension Drill, match the diameter (e.g., 0.1540-inch for #23), overall length (12 inches for extended reach), and point geometry (135° split point for self-centering) to your material and hole depth. Ensure the drill meets NAS 907 Type B specs for aerospace compliance. Consult 3G Electric for application guidance.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel aircraft-extension drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















