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CHICAGO-LATROBE Aircraft Extension Drill: #31, 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: #31, 6" Overall Lg, 135° Split Point

The CHICAGO-LATROBE Aircraft Extension Drill: #31 is an NAS-Spec high-speed steel aircraft-extension drill bit (SKU 406X35, MPN 11061). It features a 0.1200-inch diameter, 6-inch overall length, 135° split point, and…

SKU 3G-OTH-207975

Brand
CHICAGO-LATROBE
Item
Aircraft Extension Drill: #31, 6" 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
11061
Type
Black Oxide HSS
Overall Lg
6"
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Aircraft Extension Drill: #31 is an NAS-Spec high-speed steel aircraft-extension drill bit (SKU 406X35, MPN 11061). It features a 0.1200-inch diameter, 6-inch overall length, 135° split point, and black oxide finish, conforming to NAS 907 Type B.

Frequently Asked Questions

What is the CHICAGO-LATROBE Aircraft Extension Drill #31 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° split point allow precise entry into hard metals, while the NAS 907 Type B compliance ensures it meets stringent aircraft manufacturing standards.

What are the specifications of the CHICAGO-LATROBE Aircraft Extension Drill #31?

The drill has a 0.1200-inch diameter (#31), 6-inch overall length, 135° split point, and black oxide finish on high-speed steel. It conforms to NAS 907 Type B and carries MPN 11061. These specs make it suitable for drilling in aerospace-grade materials.

Where to buy CHICAGO-LATROBE Aircraft Extension Drill #31 worldwide?

3G Electric supplies the CHICAGO-LATROBE Aircraft Extension Drill #31 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right CHICAGO-LATROBE aircraft extension drill bit?

Select based on hole diameter, material hardness, and depth. The #31 size (0.1200-inch) suits small-diameter aerospace holes. Ensure the drill meets NAS 907 Type B for aircraft work. The 135° split point reduces walking on curved surfaces, and the black oxide finish aids chip evacuation.

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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