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CHICAGO-LATROBE Aircraft Extension Drill: #16, 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: #16, 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #16 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y10, MPN 11140) with a 0.1770-inch diameter, 12-inch overall length, 135° split point, and black…

SKU 3G-OTH-208019

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #16, 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
11140
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: #16 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y10, MPN 11140) with a 0.1770-inch diameter, 12-inch overall length, 135° split point, and black oxide finish. It conforms to NAS 907 Type B specification.

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #16 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 11140 drill bit?

The CHICAGO-LATROBE 11140 is a #16 aircraft extension drill with a 0.1770-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS finish. It conforms to NAS 907 Type B specification, ensuring compatibility with aerospace standards.

Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?

3G Electric supplies and delivers CHICAGO-LATROBE aircraft extension drills worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

How to select the right aircraft extension drill for deep-hole drilling?

Select a drill with sufficient overall length to reach the hole depth, a split point to reduce walking, and a black oxide finish for lubricity. The CHICAGO-LATROBE #16 meets NAS 907 Type B, making it suitable for aerospace-grade materials like aluminum and titanium alloys.

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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