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CHICAGO-LATROBE 25/64" TiN-Coated Cobalt Screw-Machine Length Drill Bit - General Purpose Cobalt Screw-Machine Length Drill Bits
CHICAGO-LATROBEGeneral Purpose Cobalt Screw-Machine Length Drill Bits

CHICAGO-LATROBE 25/64" TiN-Coated Cobalt Screw-Machine Length Drill Bit

The CHICAGO-LATROBE Screw Machine Drill Bit (25/64", MPN 51822) is a general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction. Its key specification is 0.3906.

SKU 3G-OTH-409571

Brand
CHICAGO-LATROBE
Item
25/64" TiN-Coated Cobalt Screw-Machine Length Drill Bit
Part Number
51822
Category
General Purpose Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:51822CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
51822
Type
TiN-Coated Cobalt
Split Point
135°

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

Product Description

The CHICAGO-LATROBE Screw Machine Drill Bit (25/64", MPN 51822) is a general purpose cobalt screw-machine length drill bit with a 135° split point and TiN-coated cobalt construction. Its key specification is 0.3906.

Frequently Asked Questions

What is the CHICAGO-LATROBE 51822 screw machine drill bit used for?

This TiN-coated cobalt drill bit is designed for general-purpose drilling in hard materials such as stainless steel and alloy steels. Its 135° split point reduces walking and eliminates the need for a center punch, making it ideal for automated screw machines and CNC applications.

What are the specifications of the CHICAGO-LATROBE 51822 drill bit?

The CHICAGO-LATROBE 51822 is a 25/64" (0.3906") diameter screw-machine-length drill bit with a 135° split point and TiN-coated cobalt construction. It is designed for high-speed drilling in tough materials and is commonly used in production machining environments.

Where to buy CHICAGO-LATROBE 51822 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 51822 drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this TiN-coated cobalt screw machine drill bit.

How to select the correct CHICAGO-LATROBE screw machine drill bit?

Select based on hole diameter, material hardness, and machine type. For hard materials like stainless steel, choose a TiN-coated cobalt bit with a 135° split point to reduce thrust and prevent walking. Ensure the shank fits your chuck and the flute length matches your drilling 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 general purpose cobalt screw-machine 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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General purpose screw-machine length drill bit made of TiN-coated cobalt with a 135° split point. Designed for precision drilling in ferrous metals on automated lathes and CNC machines. The split point reduces walking and the coating extends tool life
CHICAGO-LATROBE
General purpose screw-machine length drill bit made of TiN-coated cobalt with a 135° split point. Designed for precision drilling in ferrous metals on automated lathes and CNC machines. The split point reduces walking and the coating extends tool life

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