CHICAGO-LATROBE Aircraft Extension Drill: #37, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #37 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y31, MPN 11161). It features a 0.1040-inch diameter, 12-inch overall length, 135° split point…
SKU 3G-OTH-207962
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #37 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y31, MPN 11161). It features a 0.1040-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS construction, conforming to NAS 907 Type B.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #37 used for?
The CHICAGO-LATROBE Aircraft Extension Drill #37 is used for drilling precision holes in aircraft structures and other high-strength materials. Its 12-inch overall length and 135° split point allow access to tight spaces and reduce walking on curved surfaces, making it ideal for aerospace maintenance and manufacturing applications.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #37?
The CHICAGO-LATROBE Aircraft Extension Drill #37 (MPN 11161) has a 0.1040-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS construction. It conforms to NAS 907 Type B, ensuring compliance with aerospace standards for high-speed steel drill bits.
Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #37 worldwide?
You can source the CHICAGO-LATROBE Aircraft Extension Drill #37 worldwide through 3G Electric. As a global industrial equipment distributor, 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?
To select the right CHICAGO-LATROBE Aircraft Extension Drill, match the diameter and length to your hole depth and material. The #37 size (0.1040-inch) with a 135° split point is ideal for hard metals. Ensure the drill conforms to NAS 907 Type B for aerospace compliance. 3G Electric can help source the correct specification.
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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.















