Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Aircraft Extension Drill: 15/32", 12" 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: 15/32", 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit in a 15/32" size. It features a 0.4688-inch diameter, a 12" overall length, a 135° split point, and a black…

SKU 3G-OTH-207892

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: 15/32", 12" Overall Lg, 135° Split Point
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11122
Type
Black Oxide HSS
Overall Lg
12"
Split Point
135°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 in a 15/32" size. It features a 0.4688-inch diameter, a 12" overall length, a 135° split point, and a black oxide finish on high-speed steel. This drill bit meets NAS 907 Type B specifications and is identified by manufacturer part number 11122.

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 12-inch overall length and 135° split point allow for accurate starts in metal, composites, and other materials common in aircraft assembly and maintenance.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill 11122?

The CHICAGO-LATROBE Aircraft Extension Drill (MPN 11122) has a 15/32" diameter (0.4688 inches), a 12-inch 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 drilling tasks.

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

You can source the CHICAGO-LATROBE Aircraft Extension Drill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this NAS-spec drill bit.

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

Select the CHICAGO-LATROBE Aircraft Extension Drill based on hole diameter and reach requirements. For aerospace work, ensure the drill meets NAS 907 Type B specs, as this model does. The 135° split point reduces walking on curved surfaces, and the black oxide finish aids chip flow in deep-hole drilling.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Aircraft Extension Drill: 11/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11114)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 11/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11114)
CHICAGO-LATROBE Aircraft Extension Drill: 5/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11102)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 5/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11102)
CHICAGO-LATROBE Aircraft Extension Drill: 13/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11118)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 13/32", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11118)
CHICAGO-LATROBE Aircraft Extension Drill: 5/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11112)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 5/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11112)
CHICAGO-LATROBE Aircraft Extension Drill: 31/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11123)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 31/64", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11123)
CHICAGO-LATROBE Aircraft Extension Drill: 7/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11120)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 7/16", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11120)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
High-speed steel drill bit with black oxide finish, 6" overall length, and 135° split point. Designed for extended reach in confined spaces, typical for aircraft assembly and maintenance where precision drilling in high-strength materials is required
CHICAGO-LATROBE
High-speed steel drill bit with black oxide finish, 6" overall length, and 135° split point. Designed for extended reach in confined spaces, typical for aircraft assembly and maintenance where precision drilling in high-strength materials is required
This #12 aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a 6-inch overall length and a 135° split point. Designed for deep-hole drilling in confined spaces, it is commonly used in aerospace assembly and maintenance applications
CHICAGO-LATROBE
This #12 aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a 6-inch overall length and a 135° split point. Designed for deep-hole drilling in confined spaces, it is commonly used in aerospace assembly and maintenance applications
This NAS-Spec high-speed steel aircraft-extension drill bit features a black oxide finish and a 135° split point. With a 12-inch overall length, it is designed for drilling precision holes in aircraft structures and other high-strength materials, providing access to tight spaces and reducing walking on curved surfaces
CHICAGO-LATROBE
This NAS-Spec high-speed steel aircraft-extension drill bit features a black oxide finish and a 135° split point. With a 12-inch overall length, it is designed for drilling precision holes in aircraft structures and other high-strength materials, providing access to tight spaces and reducing walking on curved surfaces
This aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and measures 6" overall length. Designed for deep-hole drilling in confined spaces, it is suitable for use on metals, composites, and alloys in aerospace and industrial applications
CHICAGO-LATROBE
This aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and measures 6" overall length. Designed for deep-hole drilling in confined spaces, it is suitable for use on metals, composites, and alloys in aerospace and industrial applications
This NAS-spec high-speed steel aircraft-extension drill bit features a #14 wire gauge diameter, 6-inch overall length, and a 135° split point. The black oxide finish provides increased lubricity and corrosion resistance. Designed for drilling precision holes in high-strength materials, its extended length allows access to hard-to-reach areas in aerospace and other industrial applications
CHICAGO-LATROBE
This NAS-spec high-speed steel aircraft-extension drill bit features a #14 wire gauge diameter, 6-inch overall length, and a 135° split point. The black oxide finish provides increased lubricity and corrosion resistance. Designed for drilling precision holes in high-strength materials, its extended length allows access to hard-to-reach areas in aerospace and other industrial applications
CHICAGO-LATROBE Aircraft Extension Drill: 15/32", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11028)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 15/32", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11028)
CHICAGO-LATROBE Aircraft Extension Drill: #17, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11141)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: #17, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11141)
CHICAGO-LATROBE Aircraft Extension Drill: #47, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11171)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: #47, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11171)