CHICAGO-LATROBE Aircraft Extension Drill: 17/64", 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill (17/64") is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model 11109. It features a 0.2656-inch diameter, 12" overall length, 135° split point, and black…
SKU 3G-OTH-207847
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill (17/64") is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model 11109. It features a 0.2656-inch diameter, 12" overall length, 135° split point, and black oxide HSS finish, conforming to NAS 907 Type B.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill used for?
The CHICAGO-LATROBE Aircraft Extension Drill (17/64") is designed for drilling deep holes in aircraft structures and other tight-access industrial applications. Its 12" overall length and 135° split point allow precise entry into hard metals, while the black oxide HSS finish reduces friction. It conforms to NAS 907 Type B for aerospace-grade drilling tasks.
What are the specifications of the CHICAGO-LATROBE 11109 drill?
The CHICAGO-LATROBE 11109 is a 17/64" diameter aircraft extension drill with a 12" overall length, 135° split point, and black oxide high-speed steel finish. It meets NAS 907 Type B specifications. The drill bit is designed for deep-hole drilling in aerospace and industrial settings, offering durability and precision.
Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?
3G Electric supplies CHICAGO-LATROBE aircraft extension drills worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 11109 model or other NAS-spec drill bits for your aerospace or manufacturing needs.
How to select the right CHICAGO-LATROBE aircraft extension drill?
To select the correct CHICAGO-LATROBE aircraft extension drill, match the diameter (e.g., 17/64") and overall length (12") to your hole depth and material. The 135° split point aids self-centering on hard surfaces. Ensure the drill conforms to NAS 907 Type B for aerospace applications. 3G Electric can help source the right part number for your job.
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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.















