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

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

The CHICAGO-LATROBE Aircraft Extension Drill: Letter F is an NAS-Spec High-Speed Steel aircraft-extension drill bit, meeting NAS 907 Type B standards. It features a 0.2570-inch diameter, a 12-inch overall length, and…

SKU 3G-OTH-207903

Brand

CHICAGO-LATROBE

Item

Aircraft Extension Drill: Letter F, 12" Overall Lg, 135° Split Point

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

11225

Type

NAS 907 Type B 

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 used for?

This NAS 907 Type B drill is designed for aerospace and industrial applications requiring precise, deep-hole drilling in high-strength materials. Its 12-inch overall length and 135° split point reduce walking and improve chip evacuation, making it suitable for aircraft maintenance and manufacturing tasks.

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

The drill has a 0.2570-inch diameter (Letter F), 12-inch overall length, and a 135° split point. It meets NAS 907 Type B standards, is made of high-speed steel, and carries manufacturer part number 11225. These specs ensure compatibility with aerospace drilling requirements.

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

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this NAS 907 Type B drill for your aerospace operations.

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

Select based on hole diameter (0.2570-inch for Letter F), overall length (12 inches), and material compatibility. The 135° split point aids self-centering in hard metals. Verify NAS 907 Type B compliance for aerospace use. For application-specific advice, consult 3G Electric's technical team.

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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