CHICAGO-LATROBE Aircraft Extension Drill: #20, 6" Overall Lg, 135° Split Point
The CHICAGO-LATROBE Aircraft Extension Drill: #20 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X24, MPN 11050). It features a 0.1610-inch diameter, 6-inch overall length, 135° split point, and…
SKU 3G-OTH-208007
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Product Description
The CHICAGO-LATROBE Aircraft Extension Drill: #20 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X24, MPN 11050). It features a 0.1610-inch diameter, 6-inch overall length, 135° split point, and black oxide finish, conforming to NAS 907 Type B.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CHICAGO-LATROBE Aircraft Extension Drill #20 used for?
This NAS-spec high-speed steel drill bit is designed for drilling in tight spaces on aircraft structures. Its 6-inch extension reaches recessed fasteners, while the 135° split point reduces walking on curved surfaces. It conforms to NAS 907 Type B for aerospace maintenance and repair applications.
What are the specifications of the CHICAGO-LATROBE 11050 drill bit?
The CHICAGO-LATROBE 11050 is a #20 aircraft extension drill bit with a 0.1610-inch diameter, 6-inch overall length, 135° split point, and black oxide finish on high-speed steel. It meets NAS 907 Type B standards, making it suitable for precision drilling in aerospace environments.
Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?
3G Electric supplies CHICAGO-LATROBE aircraft extension drills like the #20 (MPN 11050) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NAS-spec drill bit.
How to select the right aircraft extension drill bit for maintenance?
Choose a drill bit that matches the fastener size and material. For aerospace work, NAS-spec bits like the CHICAGO-LATROBE #20 with a 135° split point and black oxide finish reduce bit wander on hard alloys. Ensure overall length provides clearance in confined spaces, and confirm the shank fits your drill chuck.
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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.















