CHICAGO-LATROBE Aircraft Extension Drill: #39, 6" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #39 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X43, MPN 11069). It features a 0.0995-inch diameter, 6-inch overall length, 135° split point, and…
SKU 3G-OTH-207957
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #39 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X43, MPN 11069). It features a 0.0995-inch diameter, 6-inch overall length, 135° split point, and black oxide finish, conforming to NAS 907 Type B standards.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #39 used for?
The CHICAGO-LATROBE Aircraft Extension Drill #39 is designed for drilling in hard-to-reach areas on aircraft structures and assemblies. Its 6-inch overall length and 135° split point allow precise starts without walking, while the black oxide HSS construction provides durability in aerospace-grade materials.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #39?
The CHICAGO-LATROBE Aircraft Extension Drill #39 (MPN 11069) has a 0.0995-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS finish. It conforms to NAS 907 Type B standards, making it suitable for aerospace drilling applications requiring precision and extended reach.
Where to buy CHICAGO-LATROBE Aircraft Extension Drill #39 worldwide?
3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #39 worldwide. As 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 on this NAS-spec drill bit.
How to select the right CHICAGO-LATROBE Aircraft Extension Drill for aerospace work?
Select the CHICAGO-LATROBE Aircraft Extension Drill based on hole size and reach requirements. The #39 size (0.0995-inch diameter) with 6-inch length suits tight-access drilling. Ensure the drill meets NAS 907 Type B specs for aerospace compliance. Use proper speeds and coolant for black oxide HSS to extend tool life.
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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.














