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

The CHICAGO-LATROBE Aircraft Extension Drill: #40 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11070, MPN 11070). It features a 0.0980-inch diameter, 6-inch overall length, 135° split point, and…

SKU 3G-OTH-207953

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit
Part Number
11070
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Also known as:11070CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11070
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: #40 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11070, MPN 11070). It features a 0.0980-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS construction, conforming to NAS 907 Type B.

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #40 used for?

This NAS 907 Type B drill is designed for aerospace and high-precision metalworking applications where extended reach is required. Its 135° split point reduces walking on curved surfaces, and the black oxide HSS construction provides heat resistance and lubricity for drilling in tough alloys.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #40?

The CHICAGO-LATROBE Aircraft Extension Drill #40 (MPN 11070) has a 0.0980-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS construction. It conforms to NAS 907 Type B, making it suitable for aerospace-grade drilling tasks.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill #40 worldwide?

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #40 (MPN 11070) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine NAS-spec tooling regardless of your location.

How to select the right aircraft extension drill for aerospace work?

For aerospace work, choose an NAS-spec drill like the CHICAGO-LATROBE #40 (MPN 11070) with a 135° split point to prevent walking on curved surfaces. Ensure the overall length matches your reach requirements and that the HSS coating (e.g., black oxide) suits the material being drilled.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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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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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
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

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