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CHICAGO-LATROBE Fast-Cutting Single-Flute Countersink - Fast-Cutting Single-Flute Countersinks
CHICAGO-LATROBEFast-Cutting Single-Flute Countersinks

CHICAGO-LATROBE Fast-Cutting Single-Flute Countersink

The CHICAGO-LATROBE Countersink is a fast-cutting single-flute countersink with an 82° angle, featuring a 1/2 in body diameter and constructed from black oxide high speed steel (MPN 56740). This tool is designed for…

SKU 3G-OTH-185629

Brand
CHICAGO-LATROBE
Item
Fast-Cutting Single-Flute Countersink
Part Number
56740
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
Also known as:56740CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
56740
Type
Black Oxide High Speed Steel
Flute
1
Body Dia
1/2 in

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

Product Description

The CHICAGO-LATROBE Countersink is a fast-cutting single-flute countersink with an 82° angle, featuring a 1/2 in body diameter and constructed from black oxide high speed steel (MPN 56740). This tool is designed for efficient deburring and countersinking operations.

Frequently Asked Questions

What is a CHICAGO-LATROBE 82° countersink used for?

This CHICAGO-LATROBE 82° single-flute countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. The 1/2 in body diameter and black oxide high-speed steel construction provide durability and chip evacuation for clean, precise countersinking in industrial settings.

What are the specifications of the CHICAGO-LATROBE 56740 countersink?

The CHICAGO-LATROBE 56740 is a fast-cutting single-flute countersink with an 82° included angle, 1/2 in body diameter, and black oxide high-speed steel material. It has one flute and is designed for general-purpose countersinking in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE countersinks worldwide?

3G Electric supplies CHICAGO-LATROBE countersinks like the 56740 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other cutting tools across 14 industrial departments.

How to select the right CHICAGO-LATROBE countersink for your application?

Select a CHICAGO-LATROBE countersink by matching the included angle (82° for standard flat-head screws) and body diameter to your fastener size. Single-flute designs like the 56740 offer fast chip removal. Ensure the black oxide high-speed steel is suitable for your workpiece material hardness and machine speed.

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 fast-cutting single-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This single-flute countersink is made from black oxide high-speed steel with a 1-inch body diameter. It is designed for fast cutting and deburring operations, creating conical recesses for flat-head screws in metalworking and woodworking applications
CHICAGO-LATROBE
This single-flute countersink is made from black oxide high-speed steel with a 1-inch body diameter. It is designed for fast cutting and deburring operations, creating conical recesses for flat-head screws in metalworking and woodworking applications

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