CHICAGO-LATROBEGeneral Purpose Three-Flute Countersinks

CHICAGO-LATROBE Countersink: 82°, 3 Flute, 5/8 in Body Dia

The CHICAGO-LATROBE Countersink is a general purpose three-flute countersink with an 82° angle, featuring a 5/8 in body diameter and black oxide high speed steel construction (MPN 56842). This tool is designed for…

SKU 3G-OTH-184765

Brand

CHICAGO-LATROBE

Item

Countersink: 82°, 3 Flute, 5/8 in Body Dia

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

56842

Type

Black Oxide High Speed Steel 

Flute

3

Body Dia

5/8 in 

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Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the CHICAGO-LATROBE 56842 countersink used for?

The CHICAGO-LATROBE 56842 is a general-purpose three-flute countersink used to create 82° chamfered holes in metal, wood, or plastic for flush screw seating. It is commonly applied in machining, fabrication, and assembly operations where deburring or countersinking is required.

What are the specifications of the CHICAGO-LATROBE 56842 countersink?

The CHICAGO-LATROBE 56842 is an 82° countersink with three flutes and a 5/8 in body diameter. It is made from black oxide high-speed steel (HSS) for wear resistance. The manufacturer part number is 56842, and it is designed for general-purpose use in industrial drilling and finishing applications.

Where to buy the CHICAGO-LATROBE 56842 countersink worldwide?

You can source the CHICAGO-LATROBE 56842 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

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

To select the correct CHICAGO-LATROBE countersink, match the angle (82° for standard flathead screws) and body diameter to your hole size. For harder materials, choose HSS or coated variants. The 56842 three-flute design reduces chatter and provides a smooth finish for general-purpose work.

Used in

Common applications for CHICAGO-LATROBE

Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.

Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.

Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.

Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.

Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.

General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE general purpose three-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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