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CHICAGO-LATROBE 1/4" Tang-Shank HSS Jobber-Length Drill Bit - Tang-Shank High-Speed Steel Jobber-Length Drill Bits
CHICAGO-LATROBETang-Shank High-Speed Steel Jobber-Length Drill Bits

CHICAGO-LATROBE 1/4" Tang-Shank HSS Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47491) is a 1/4" tang-shank high-speed steel drill bit with a 118° point and black oxide finish. It is designed for general-purpose drilling in metal and other…

SKU 3G-OTH-195605

Brand
CHICAGO-LATROBE
Item
1/4" Tang-Shank HSS Jobber-Length Drill Bit
Part Number
47491
Category
Tang-Shank High-Speed Steel Jobber-Length Drill Bits
Available to Order
Also known as:47491CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
47491
Type
Black Oxide HSS, Tang Shank
Point
118°

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47491) is a 1/4" tang-shank high-speed steel drill bit with a 118° point and black oxide finish. It is designed for general-purpose drilling in metal and other materials, offering durability and chip evacuation through its tang-shank design.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47491 used for?

This 1/4" black oxide HSS drill bit with a 118° point and tang shank is designed for general-purpose drilling in metal, wood, and plastic. It is commonly used in maintenance, fabrication, and production environments where reliable chip evacuation and bit retention are required.

What are the specifications of the CHICAGO-LATROBE 47491 drill bit?

The CHICAGO-LATROBE 47491 is a jobber-length drill bit with a 1/4" diameter, 118° point angle, black oxide finish, and a tang shank. It is made from high-speed steel (HSS) and is designed for use in drill chucks or quick-change systems. The manufacturer part number is 47491.

Where to buy CHICAGO-LATROBE 47491 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47491 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item globally.

How to select the right CHICAGO-LATROBE drill bit for metal drilling?

For metal drilling, choose a bit with a 118° point angle like the CHICAGO-LATROBE 47491. The black oxide finish reduces friction and improves chip flow. Ensure the bit diameter matches your hole size and that your drill speed is appropriate for the material hardness.

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 tang-shank high-speed steel jobber-length 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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This jobber-length drill bit is made of high-speed steel with a black oxide finish and a tang shank for secure chuck grip. The 118° point is suited for general-purpose drilling in metal, wood, and plastic. Commonly used in industrial and maintenance drilling applications
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish and a tang shank for secure chuck grip. The 118° point is suited for general-purpose drilling in metal, wood, and plastic. Commonly used in industrial and maintenance drilling applications

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