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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 (3/16", MPN 47638) is a TiN-Coated Cobalt, NAS 907 Type B drill bit with a 135° split point, designed for aerospace applications.

SKU 3G-OTH-199987

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
Part Number
47638
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
Available to Order
Also known as:47638CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
47638
Type
TiN-Coated 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 (3/16", MPN 47638) is a TiN-Coated Cobalt, NAS 907 Type B drill bit with a 135° split point, designed for aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE 47638 drill bit used for?

This NAS 907 Type B jobber-length drill bit is designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking on contact, while the TiN-coated cobalt construction handles hardened steels and abrasive materials. 3G Electric supplies this bit for demanding applications.

What are the specifications of the CHICAGO-LATROBE 47638 drill bit?

The CHICAGO-LATROBE 47638 is a 3/16" (0.1875 inch) jobber-length drill bit with a 135° split point, TiN-coated cobalt material, and NAS 907 Type B compliance. It is designed for aerospace-grade drilling. 3G Electric sources this bit for global delivery.

Where to buy CHICAGO-LATROBE 47638 worldwide?

3G Electric supplies the CHICAGO-LATROBE 47638 drill bit worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to any country. Contact us for availability and lead time on this NAS-spec aerospace bit.

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 47638. The 135° split point and TiN-coated cobalt provide heat resistance and precision in hardened alloys. Match the 3/16" diameter to your material thickness. 3G Electric can advise on sizing.

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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