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CHICAGO-LATROBE Aircraft Extension Drill: #22, 12" Overall Lg, 135° Split Point - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE Aircraft Extension Drill: #22, 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #22 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y16, MPN 11146) with a 0.1570-inch diameter, 12-inch overall length, 135° split point, and black…

SKU 3G-OTH-208002

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #22, 12" Overall Lg, 135° Split Point
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11146
Type
Black Oxide HSS
Overall Lg
12"
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Aircraft Extension Drill: #22 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y16, MPN 11146) with a 0.1570-inch diameter, 12-inch overall length, 135° split point, and black oxide finish. It conforms to NAS 907 Type B standards.

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #22 used for?

The CHICAGO-LATROBE Aircraft Extension Drill #22 is used for drilling precision holes in aircraft assembly and maintenance. Its 12-inch overall length and NAS 907 Type B compliance make it suitable for reaching confined spaces in airframes and aerospace structures. The 135° split point reduces walking on curved surfaces.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #22?

The CHICAGO-LATROBE Aircraft Extension Drill #22 (MPN 11146) has a 0.1570-inch diameter, 12-inch overall length, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B standards. The #22 wire-gauge size is designed for aerospace fasteners.

Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #22 worldwide?

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #22 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine CHICAGO-LATROBE tooling for aerospace applications.

How to select the correct CHICAGO-LATROBE Aircraft Extension Drill for aerospace work?

Select the CHICAGO-LATROBE Aircraft Extension Drill based on hole size, reach, and material. The #22 drill (0.1570-inch diameter) with 12-inch length suits deep-access drilling in aluminum alloys. Ensure the drill meets NAS 907 Type B for aerospace compliance. The 135° split point aids self-centering on curved surfaces.

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.

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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