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CHICAGO-LATROBE NAS 907 Type B High-Speed Steel - NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE NAS 907 Type B High-Speed Steel

The CHICAGO-LATROBE Aircraft Extension Drill: Letter I is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11228, MPN 11228). It features a 0.2720-inch diameter, 12-inch overall length, and a 135° split…

SKU 3G-OTH-208081

Brand
CHICAGO-LATROBE
Item
NAS 907 Type B High-Speed Steel
Part Number
11228
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Also known as:11228CHICAGO-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
11228
Type
NAS 907 Type B
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: Letter I is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11228, MPN 11228). It features a 0.2720-inch diameter, 12-inch overall length, and a 135° split point, conforming to NAS 907 Type B.

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 precision holes in aerospace and industrial applications where extended reach is required. Its NAS 907 Type B design and 135° split point make it suitable for high-strength materials like aircraft-grade aluminum and steel alloys.

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

The CHICAGO-LATROBE Aircraft Extension Drill (MPN 11228) has a 0.2720-inch diameter, 12-inch overall length, and a 135° split point. It conforms to NAS 907 Type B and is made from high-speed steel, designed for precision drilling in aerospace applications.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill worldwide?

You can source the CHICAGO-LATROBE Aircraft Extension Drill worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location, ensuring compliance with international shipping requirements.

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

To select the right CHICAGO-LATROBE Aircraft Extension Drill, match the diameter and length to your hole depth and material. The 0.2720-inch Letter I size and 12-inch length suit extended-reach drilling. Ensure the NAS 907 Type B spec aligns with your aerospace or industrial application requirements.

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
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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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