CHICAGO-LATROBENAS-Spec High-Speed Steel Aircraft-Extension Drill Bits

CHICAGO-LATROBE Aircraft Extension Drill: #28, 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #28 is an NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y22, MPN 11152). It features a 0.1405-inch diameter, 12-inch overall length, 135° split point…

SKU 3G-OTH-208073

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: #28, 12" Overall Lg, 135° Split Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11152

Type

Black Oxide HSS 

Overall Lg

12"

Split Point

135° 

View Full Spec Sheet

Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 #28 used for?

The CHICAGO-LATROBE Aircraft Extension Drill #28 is used for drilling precision holes in aircraft assembly and maintenance. Its 12-inch overall length and 135° split point allow access to tight spaces in airframes and panels. The black oxide HSS construction and NAS 907 Type B compliance make it suitable for aerospace-grade materials.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #28?

The CHICAGO-LATROBE Aircraft Extension Drill #28 (MPN 11152) has a 0.1405-inch diameter, 12-inch overall length, 135° split point, and black oxide HSS finish. It meets NAS 907 Type B specifications. The SKU is 406Y22.

Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #28 worldwide?

You can source the CHICAGO-LATROBE Aircraft Extension Drill #28 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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

To select the correct CHICAGO-LATROBE Aircraft Extension Drill, verify the diameter (e.g., #28 at 0.1405 inches), overall length (12 inches), and point angle (135° split point). Ensure it meets NAS 907 Type B specs for aerospace use. 3G Electric can help source the right MPN 11152 for your application.

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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