CHICAGO-LATROBE Aircraft Extension Drill: #41, 12" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #41 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y35). It features a 0.0960-inch diameter, 12-inch overall length, 135° split point, and black…
SKU 3G-OTH-208075
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #41 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y35). It features a 0.0960-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS construction, meeting NAS 907 Type B specifications (MPN 11165).
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #41 used for?
This NAS-spec high-speed steel drill bit is designed for deep-hole drilling in aircraft assembly and maintenance. Its 12-inch overall length and 135° split point allow precise, chatter-free drilling in tight spaces, meeting NAS 907 Type B requirements for aerospace applications.
What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #41?
The CHICAGO-LATROBE Aircraft Extension Drill #41 (MPN 11165) has a 0.0960-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS construction. It conforms to NAS 907 Type B specifications, ensuring compatibility with aerospace standards.
Where to buy CHICAGO-LATROBE Aircraft Extension Drill #41 worldwide?
3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #41 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS-spec drill bit to your facility, regardless of location.
How to select the right aircraft extension drill bit for deep-hole drilling?
For deep-hole drilling in aerospace, choose a bit with a 135° split point to reduce walking and thrust. Ensure overall length matches access depth, and verify NAS specification compliance, such as NAS 907 Type B for the CHICAGO-LATROBE #41. Black oxide HSS provides heat resistance and chip flow.
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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.















