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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 47820) is a 1 mm NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, classified as Straw/Bronze Cobalt, NAS 907 Type B. It features a 135° Split Point and a key…

SKU 3G-OTH-200439

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
Part Number
47820
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
Available to Order
Also known as:47820CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
47820
Type
Straw/Bronze Cobalt, NAS 907 Type B
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 47820) is a 1 mm NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, classified as Straw/Bronze Cobalt, NAS 907 Type B. It features a 135° Split Point and a key specification of 0.0394.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47820 used for?

This NAS 907 Type B cobalt drill bit is designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking and thrust, making it ideal for hard metals and stainless steel applications where accuracy is critical.

What are the specifications of the CHICAGO-LATROBE 47820 drill bit?

The CHICAGO-LATROBE 47820 is a 1 mm jobber-length drill bit with a 135° split point, straw/bronze cobalt finish, and NAS 907 Type B compliance. It is engineered for aerospace-grade drilling in tough materials.

Where to buy CHICAGO-LATROBE 47820 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47820 drill bit to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for aerospace and industrial procurement needs across global markets.

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

For aerospace drilling, choose a NAS 907 Type B bit like the CHICAGO-LATROBE 47820. The 135° split point and cobalt construction provide heat resistance and precision in hard alloys. Match the diameter and length to your material and hole depth requirements.

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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