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CHICAGO-LATROBE Countersink: 90°, 1 Flute, 3/4 in Body Dia - Fast-Cutting Single-Flute Countersinks
CHICAGO-LATROBEFast-Cutting Single-Flute Countersinks

CHICAGO-LATROBE Countersink: 90°, 1 Flute, 3/4 in Body Dia

The CHICAGO-LATROBE Countersink is a 90°, single-flute, fast-cutting countersink made from black oxide high-speed steel with a 3/4 in body diameter (MPN 56774). Designed for efficient deburring and chamfering, this…

SKU 3G-OTH-185313

Brand
CHICAGO-LATROBE
Item
Countersink: 90°, 1 Flute, 3/4 in Body Dia
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
56774
Type
Black Oxide High Speed Steel
Flute
1
Body Dia
3/4 in

Technical Documents

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

Product Description

The CHICAGO-LATROBE Countersink is a 90°, single-flute, fast-cutting countersink made from black oxide high-speed steel with a 3/4 in body diameter (MPN 56774). Designed for efficient deburring and chamfering, this tool delivers consistent 90° countersinks in a range of materials.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a CHICAGO-LATROBE 90° countersink used for?

This CHICAGO-LATROBE 90° single-flute countersink creates a conical recess for flat-head screws in metalworking and machining applications. The 3/4 in body diameter and black oxide high-speed steel construction suit general industrial deburring and countersinking tasks.

What are the specifications of the CHICAGO-LATROBE 56774 countersink?

The CHICAGO-LATROBE 56774 is a 90° fast-cutting single-flute countersink with a 3/4 in body diameter. It is made from black oxide high-speed steel for durability and heat resistance. The manufacturer part number is 56774.

Where to buy CHICAGO-LATROBE countersinks worldwide?

3G Electric supplies CHICAGO-LATROBE countersinks like the 56774 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other industrial cutting tools.

How to select the right countersink for a job?

Match the countersink angle to your fastener head angle — 90° is standard for flat-head screws. Choose body diameter larger than the screw head. For steel, black oxide high-speed steel like this CHICAGO-LATROBE tool provides good wear resistance and chip evacuation.

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 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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