CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE Aircraft Extension Drill: 7/16", 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit with a 7/16" diameter (0.4375). It meets NAS 907 Type B specifications and features a 6" overall length, 135°…

SKU 3G-OTH-207883

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: 7/16", 6" Overall Lg, 135° Split Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11026

Type

Black Oxide HSS 

Overall Lg

6"

Split Point

135° 

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

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

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in tight spaces. Its 6" overall length and 135° split point allow precise entry into hard metals without walking, meeting NAS 907 Type B standards for aircraft maintenance and fabrication.

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

The drill has a 7/16" diameter (0.4375"), 6" overall length, 135° split point, and black oxide HSS finish. It meets NAS 907 Type B specifications and carries MPN 11026. The high-speed steel construction provides durability for drilling in alloy steels and titanium.

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

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this NAS-spec drill bit.

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

Select based on hole diameter and depth requirements. This 7/16" drill with 6" length suits deep aerospace holes. Ensure your application matches NAS 907 Type B specs for material compatibility. The 135° split point reduces thrust, ideal for hard metals. Always verify shank fit with your 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.

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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