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

CHICAGO-LATROBE Aircraft Extension Drill: #57, 6" Overall Lg, 135° Point

The CHICAGO-LATROBE Aircraft Extension Drill: #57 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406X61, MPN 11087). It features a 0.0430-inch diameter, 6-inch overall length, 135° point, and black…

SKU 3G-OTH-207913

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: #57, 6" Overall Lg, 135° Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11087

Type

Black Oxide HSS 

Overall Lg

6"

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 #57 used for?

This drill is designed for aerospace and industrial applications requiring deep-hole drilling in tight spaces. Its 6-inch overall length and 135° point allow precise entry into hard metals, meeting NAS 907 Type B specs for aircraft maintenance and manufacturing.

What are the specifications of the CHICAGO-LATROBE 11087 drill?

The CHICAGO-LATROBE 11087 is a #57 aircraft extension drill with a 0.0430-inch diameter, 6-inch overall length, 135° point, and black oxide HSS finish. It complies with NAS 907 Type B standards, making it suitable for high-strength alloy drilling.

Where to buy CHICAGO-LATROBE 11087 worldwide?

3G Electric supplies the CHICAGO-LATROBE 11087 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to select the right aircraft extension drill for deep-hole drilling?

Choose a drill with a 135° point for hard materials and a black oxide finish for heat resistance. Ensure it meets NAS 907 Type B specs for aerospace use. The CHICAGO-LATROBE #57 offers a 0.0430-inch diameter and 6-inch length for precision deep-hole work.

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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