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CHICAGO-LATROBE Aircraft Extension Drill: 29/64", 6" 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: 29/64", 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model 29/64" (0.4531 inch) with a 135° split point and black oxide finish. It meets NAS 907 Type B…

SKU 3G-OTH-207887

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: 29/64", 6" 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
11027
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 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit, model 29/64" (0.4531 inch) with a 135° split point and black oxide finish. It meets NAS 907 Type B specifications and has a 6" overall length (MPN 11027).

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 metal. Its 6" overall length and 135° split point reduce walking and improve chip evacuation. It meets NAS 907 Type B specifications, making it suitable for aircraft maintenance and fabrication where precision and reliability are critical.

What are the specifications of the CHICAGO-LATROBE 11027 drill?

The CHICAGO-LATROBE 11027 is a 29/64" (0.4531 inch) aircraft extension drill with a 6" overall length, 135° split point, and black oxide HSS finish. It complies with NAS 907 Type B standards. The black oxide coating provides lubricity and corrosion resistance for extended tool life in demanding materials.

Where to buy CHICAGO-LATROBE aircraft extension drills worldwide?

3G Electric supplies CHICAGO-LATROBE aircraft extension drills worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact our team to source the 11027 or other NAS-spec drill bits for your aerospace operations.

How to select the right CHICAGO-LATROBE aircraft extension drill?

Select based on hole diameter, material thickness, and required depth. The 29/64" size with 6" length suits medium-depth drilling in alloys. Ensure the drill meets NAS 907 Type B for aerospace compliance. For deeper holes, consider longer extension lengths. 3G Electric can advise on the correct CHICAGO-LATROBE model for your application.

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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