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CHICAGO-LATROBE Aircraft Extension Drill: #57, 12" 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: #57, 12" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #57 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y51, MPN 11181) with a 0.0430-inch diameter, 12-inch overall length, 135° split point, and black…

SKU 3G-OTH-208089

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #57, 12" Overall Lg, 135° Split Point
Category
NAS-Spec High-Speed Steel Aircraft-Extension Drill Bits
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
11181
Type
Black Oxide HSS
Overall Lg
12"
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Aircraft Extension Drill: #57 is a NAS-Spec High-Speed Steel Aircraft-Extension Drill Bit (SKU 406Y51, MPN 11181) with a 0.0430-inch diameter, 12-inch overall length, 135° split point, and black oxide finish. It conforms to NAS 907 Type B specifications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #57 used for?

The CHICAGO-LATROBE Aircraft Extension Drill #57 is used for drilling precision holes in aerospace and industrial applications where extended reach is required. Its 12-inch overall length and NAS 907 Type B compliance make it suitable for aircraft assembly and maintenance tasks.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #57?

The CHICAGO-LATROBE Aircraft Extension Drill #57 (MPN 11181) has a 0.0430-inch diameter, 12-inch overall length, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B specifications, ensuring compatibility with aerospace standards.

Where to buy the CHICAGO-LATROBE Aircraft Extension Drill #57 worldwide?

You can source the CHICAGO-LATROBE Aircraft Extension Drill #57 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive the correct NAS-spec drill bit for your operations.

How to select the correct CHICAGO-LATROBE Aircraft Extension Drill #57?

To select the correct CHICAGO-LATROBE Aircraft Extension Drill #57, verify the diameter (0.0430 inches), overall length (12 inches), and NAS 907 Type B compliance. Ensure the 135° split point and black oxide finish match your material and application requirements for optimal drilling 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.

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