CHICAGO-LATROBE Aircraft Extension Drill: Letter O, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: Letter O is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 438W15, MPN 11234). It features a 0.3160-inch diameter, 12-inch overall length, and a 135°…
SKU 3G-OTH-207904
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: Letter O is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 438W15, MPN 11234). It features a 0.3160-inch diameter, 12-inch overall length, and a 135° split point, conforming to NAS 907 Type B.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill used for?
This NAS 907 Type B drill is designed for aerospace and high-precision metal drilling applications. Its 12-inch overall length and 135° split point allow deep-hole drilling in aircraft structures, while the high-speed steel construction provides durability in demanding industrial environments.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill Letter O?
The CHICAGO-LATROBE Aircraft Extension Drill Letter O (MPN 11234) has a 0.3160-inch diameter, 12-inch overall length, and a 135° split point. It conforms to NAS 907 Type B and is made from high-speed steel, suitable for aerospace-grade drilling tasks.
Where to buy CHICAGO-LATROBE Aircraft Extension Drill in worldwide?
3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill Letter O (MPN 11234) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location, ensuring you receive genuine NAS-spec tooling.
How to select the correct CHICAGO-LATROBE Aircraft Extension Drill for my application?
Select based on hole diameter, depth, and material. The Letter O drill (0.3160-inch diameter) with a 135° split point reduces walking on curved surfaces. For aerospace work, ensure the drill meets NAS 907 Type B. 3G Electric can help match your requirements to the correct CHICAGO-LATROBE part.
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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.















