We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

CHICAGO-LATROBE Aircraft Extension Drill: #4, 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: #4, 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #4 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11034, MPN 11034). It features a 0.2090-inch diameter, 6-inch overall length, 135° split point, and…

SKU 3G-OTH-208059

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #4, 6" 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 — 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
11034
Type
Black Oxide HSS
Overall Lg
6"
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: #4 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11034, MPN 11034). It features a 0.2090-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS finish, 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 #4 used for?

The CHICAGO-LATROBE Aircraft Extension Drill #4 is designed for drilling in tight, hard-to-reach spaces on aircraft assemblies and other precision metalwork. Its extended length and 135° split point reduce walking and improve hole accuracy in high-strength alloys, making it essential for aerospace maintenance and manufacturing.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #4?

The CHICAGO-LATROBE Aircraft Extension Drill #4 (MPN 11034) has a 0.2090-inch diameter, 6-inch overall length, 135° split point, and black oxide HSS finish. It conforms to NAS 907 Type B, ensuring compliance with aerospace fastener-hole standards for high-strength alloy drilling.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill #4 worldwide?

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #4 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-spec drill bit to any country.

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

Select the CHICAGO-LATROBE aircraft extension drill bit based on hole diameter, material hardness, and reach required. For the #4 size, use a 0.2090-inch diameter with a 135° split point for self-centering in steel alloys. Always match the drill to NAS 907 Type B specs for aerospace applications to ensure proper fit and performance.

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: #4, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11128)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: #4, 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11128)
CHICAGO-LATROBE Aircraft Extension Drill: #1, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11031)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: #1, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11031)
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: 1/2", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11030)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 1/2", 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11030)
CHICAGO-LATROBE Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11038)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: #8, 6" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11038)
CHICAGO-LATROBE Aircraft Extension Drill: 1/4", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11108)
CHICAGO-LATROBE
CHICAGO-LATROBE Aircraft Extension Drill: 1/4", 12" Overall Lg, 135° Split Point, Black Oxide HSS (MPN 11108)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
This NAS-Spec high-speed steel aircraft-extension drill bit features a #38 diameter (0.1015"), 6" overall length, 135° split point, and black oxide finish. Conforms to NAS 907 Type B standards. Designed for drilling in confined or hard-to-reach areas on aircraft assemblies, providing precise entry into metal without walking
CHICAGO-LATROBE
This NAS-Spec high-speed steel aircraft-extension drill bit features a #38 diameter (0.1015"), 6" overall length, 135° split point, and black oxide finish. Conforms to NAS 907 Type B standards. Designed for drilling in confined or hard-to-reach areas on aircraft assemblies, providing precise entry into metal without walking
This NAS 907 Type B compliant aircraft-extension drill bit is made of high-speed steel with a black oxide finish. It has a 5/16" diameter, 6" overall length, and a 135° split point for precise starting and reduced walking. Suitable for deep-hole drilling in confined spaces, common in aerospace and industrial maintenance applications
CHICAGO-LATROBE
This NAS 907 Type B compliant aircraft-extension drill bit is made of high-speed steel with a black oxide finish. It has a 5/16" diameter, 6" overall length, and a 135° split point for precise starting and reduced walking. Suitable for deep-hole drilling in confined spaces, common in aerospace and industrial maintenance applications
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and a 6-inch overall length, designed for drilling in confined spaces and on curved surfaces. Suitable for ferrous and non-ferrous metals in aerospace assembly and maintenance applications
CHICAGO-LATROBE
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and a 6-inch overall length, designed for drilling in confined spaces and on curved surfaces. Suitable for ferrous and non-ferrous metals in aerospace assembly and maintenance applications
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 0.0935-inch diameter, 6-inch overall length, and a 135° split point. Designed for extended reach applications in drilling precision holes in hard metals and composites
CHICAGO-LATROBE
This NAS 907 Type B compliant aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It features a 0.0935-inch diameter, 6-inch overall length, and a 135° split point. Designed for extended reach applications in drilling precision holes in hard metals and composites
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a 1/16" diameter, 12" overall length, and a 135° split point for reduced walking and easier penetration. Designed for deep-hole drilling in confined spaces, it is commonly used in aerospace and industrial maintenance applications
CHICAGO-LATROBE
This NAS 907 Type B aircraft-extension drill bit is made from high-speed steel with a black oxide finish. It has a 1/16" diameter, 12" overall length, and a 135° split point for reduced walking and easier penetration. Designed for deep-hole drilling in confined spaces, it is commonly used in aerospace and industrial maintenance applications
This NAS 907 Type B compliant drill bit is made from high-speed steel with a black oxide finish. It has a 3/32" diameter, 12" overall length, and a 135° split point. Designed for extended reach applications in industrial drilling, such as accessing deep or confined areas
CHICAGO-LATROBE
This NAS 907 Type B compliant drill bit is made from high-speed steel with a black oxide finish. It has a 3/32" diameter, 12" overall length, and a 135° split point. Designed for extended reach applications in industrial drilling, such as accessing deep or confined areas
This NAS-Spec high-speed steel aircraft-extension drill bit features a 0.1110-inch diameter, 12-inch overall length, and a 135° split point. The black oxide finish reduces friction and improves chip evacuation. Designed for deep-hole drilling in confined spaces, it conforms to NAS 907 Type B standards
CHICAGO-LATROBE
This NAS-Spec high-speed steel aircraft-extension drill bit features a 0.1110-inch diameter, 12-inch overall length, and a 135° split point. The black oxide finish reduces friction and improves chip evacuation. Designed for deep-hole drilling in confined spaces, it conforms to NAS 907 Type B standards
This NAS-Spec high-speed steel aircraft-extension drill bit features a 1/16" diameter, 6" overall length, and a 135° split point. The black oxide finish reduces friction and improves chip flow. It is designed for deep-hole drilling applications in aerospace and aircraft maintenance, where extended reach and precision are required
CHICAGO-LATROBE
This NAS-Spec high-speed steel aircraft-extension drill bit features a 1/16" diameter, 6" overall length, and a 135° split point. The black oxide finish reduces friction and improves chip flow. It is designed for deep-hole drilling applications in aerospace and aircraft maintenance, where extended reach and precision are required