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

CHICAGO-LATROBE Aircraft Extension Drill: #21, 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: #21, 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11051, MPN 11051) with a 0.1590-inch diameter, 6-inch overall length, 135° split point, and black…

SKU 3G-OTH-208003

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #21, 6" Overall Lg, 135° Split Point
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
Available to Order
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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
11051
Type
Black Oxide HSS
Overall Lg
6"
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: #21 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 11051, MPN 11051) with a 0.1590-inch diameter, 6-inch overall length, 135° split point, and black oxide finish. It conforms to NAS 907 Type B standards.

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 #21 used for?

The CHICAGO-LATROBE Aircraft Extension Drill #21 is used for drilling precision holes in aerospace and industrial applications where extended reach is required. Its NAS 907 Type B compliance and 135° split point make it suitable for drilling into hard metals and composites without walking, ensuring accurate hole placement.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #21?

The CHICAGO-LATROBE Aircraft Extension Drill #21 (MPN 11051) has a 0.1590-inch diameter, 6-inch overall length, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B standards, making it ideal for aerospace drilling tasks requiring precision and durability.

Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #21 worldwide?

You can source the CHICAGO-LATROBE Aircraft Extension Drill #21 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine NAS-spec tooling without the hassle of international procurement.

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

To select the right CHICAGO-LATROBE Aircraft Extension Drill, match the diameter and overall length to your hole depth and material. The #21 size (0.1590-inch) with a 135° split point reduces thrust and prevents wandering on curved surfaces. For aerospace work, ensure NAS 907 Type B compliance for critical tolerances.

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.

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