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CHICAGO-LATROBE #20 NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE #20 NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit

The CHICAGO-LATROBE Aircraft Extension Drill: #20 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11050, MPN 11050). It features a 0.1610-inch diameter, 6-inch overall length, 135° split point, and…

SKU 3G-OTH-208007

Brand
CHICAGO-LATROBE
Item
#20 NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit
Part Number
11050
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Also known as:11050CHICAGO-LATROBE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11050
Type
Black Oxide HSS
Overall Lg
6"
Split Point
135°

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Aircraft Extension Drill: #20 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11050, 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.

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.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.
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CHICAGO-LATROBE Products

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.

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CHICAGO-LATROBE
Black oxide high-speed steel aircraft-extension drill bit with 135° split point and 12" overall length. Conforms to NAS 907 Type B. Used for drilling deep holes in aircraft structures and other tight-access industrial applications
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications

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