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CHICAGO-LATROBE Countersink: 82°, 3 Flute, 1/2 in Body Dia - General Purpose Three-Flute Countersinks
CHICAGO-LATROBEGeneral Purpose Three-Flute Countersinks

CHICAGO-LATROBE Countersink: 82°, 3 Flute, 1/2 in Body Dia

The CHICAGO-LATROBE Countersink is a general purpose three-flute countersink with an 82° angle, featuring a 1/2 in body diameter and black oxide high speed steel construction (MPN 56839). This tool is designed for…

SKU 3G-OTH-184719

Brand
CHICAGO-LATROBE
Item
Countersink: 82°, 3 Flute, 1/2 in Body Dia
Category
General Purpose Three-Flute Countersinks
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
56839
Type
Black Oxide High Speed Steel
Flute
3
Body Dia
1/2 in

Technical Documents

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

Product Description

The CHICAGO-LATROBE Countersink is a general purpose three-flute countersink with an 82° angle, featuring a 1/2 in body diameter and black oxide high speed steel construction (MPN 56839). This tool is designed for deburring and countersinking holes in metal, offering a durable cutting edge for consistent results.

Frequently Asked Questions

What is the CHICAGO-LATROBE 56839 countersink used for?

The CHICAGO-LATROBE 56839 is a general-purpose three-flute countersink used to create 82° chamfered holes in metal, wood, or plastic. It is commonly applied in deburring and countersinking operations for screw heads in manufacturing, maintenance, and fabrication shops.

What are the specifications of the CHICAGO-LATROBE 56839 countersink?

The CHICAGO-LATROBE 56839 is a 3-flute countersink with an 82° included angle and a 1/2 in body diameter. It is made from black oxide high-speed steel (HSS) for durability and heat resistance. The manufacturer part number is 56839.

Where to buy the CHICAGO-LATROBE 56839 countersink worldwide?

You can source the CHICAGO-LATROBE 56839 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.

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

Select a CHICAGO-LATROBE countersink based on the required chamfer angle (82° for standard flathead screws), flute count (3-flute for smoother finish), and body diameter matching the screw head size. For harder materials, choose HSS or coated variants. Always match the countersink to your workpiece material.

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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