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CHICAGO-LATROBE NAS-Spec HSS Aircraft-Extension Drill Bit 31/64" - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE NAS-Spec HSS Aircraft-Extension Drill Bit 31/64"

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit with a 31/64" diameter and 12" overall length. It features a 135° split point and black oxide finish, meeting…

SKU 3G-OTH-207895

Brand
CHICAGO-LATROBE
Item
NAS-Spec HSS Aircraft-Extension Drill Bit 31/64"
Part Number
11123
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Also known as:11123CHICAGO-LATROBE
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11123
Type
Black Oxide HSS
Overall Lg
12"
Split Point
135°

Technical Documents

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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 with a 31/64" diameter and 12" overall length. It features a 135° split point and black oxide finish, meeting NAS 907 Type B specifications (MPN 11123). The drill bit has a decimal equivalent of 0.4844 inches.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

The CHICAGO-LATROBE Aircraft Extension Drill is used for drilling deep holes in aircraft structures and other industrial applications where extended reach is required. Its 12" overall length and 135° split point allow precise entry and chip evacuation in tight spaces, meeting NAS 907 Type B specifications for aerospace-grade drilling.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill 11123?

The CHICAGO-LATROBE Aircraft Extension Drill (MPN 11123) has a 31/64" diameter with a decimal equivalent of 0.4844 inches, a 12" overall length, a 135° split point, and a black oxide finish on high-speed steel. It meets NAS 907 Type B specifications, making it suitable for aerospace and industrial drilling tasks.

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

You can source the CHICAGO-LATROBE Aircraft Extension Drill (MPN 11123) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive the NAS 907 Type B compliant drill bit for your operations.

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

To select the correct CHICAGO-LATROBE Aircraft Extension Drill, match the diameter (31/64") and overall length (12") to your hole depth and material. The 135° split point reduces walking on curved surfaces, while the black oxide finish aids chip flow. Ensure compliance with NAS 907 Type B for aerospace use. 3G Electric can help source the right variant.

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.
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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
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point for reduced walking on curved surfaces and an extended 6-inch overall length for reaching confined areas. Suitable for drilling in tough alloys in aerospace and precision metalworking applications

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