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CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 46491) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 10.8 mm diameter, 135° Split Point, and Straw/Bronze Cobalt construction. With a…

SKU 3G-OTH-200184

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
Part Number
46491
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
Available to Order
Also known as:46491CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
46491
Type
Straw/Bronze Cobalt
Split Point
135°

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 46491) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 10.8 mm diameter, 135° Split Point, and Straw/Bronze Cobalt construction. With a specification of 0.4252, this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 46491 used for?

This NAS-Spec cobalt jobber-length drill bit is designed for aerospace applications, drilling hard metals like stainless steel and titanium. Its 135° split point reduces walking and requires no center punching, making it ideal for precision hole-making in demanding industrial environments.

What are the specifications of the CHICAGO-LATROBE 46491 drill bit?

The CHICAGO-LATROBE 46491 is a 10.8 mm diameter jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It meets NAS-Spec standards for aerospace use. The shank diameter is 0.4252 inches, and the manufacturer part number is 46491.

Where to buy CHICAGO-LATROBE 46491 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 46491 drill bit 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-Spec cobalt drill bit for your aerospace operations.

How to select the right CHICAGO-LATROBE drill bit for aerospace materials?

For aerospace materials like titanium or stainless steel, choose a cobalt jobber-length bit with a 135° split point, such as the CHICAGO-LATROBE 46491. The split point prevents walking, while cobalt construction handles high heat. Match the diameter to your hole size and ensure NAS-Spec compliance for critical applications.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec cobalt jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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