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KEO 100° Three-Flute Countersink, 3/4 in Body Dia, AlTiN Coated High Speed Steel - General Purpose Three-Flute Countersinks
KEOGeneral Purpose Three-Flute Countersinks

KEO 100° Three-Flute Countersink, 3/4 in Body Dia, AlTiN Coated High Speed Steel

KEO General Purpose Three-Flute Countersinks.

SKU 3G-OTH-185132

Also listed as: 917000978 · 917 000 978

Brand
KEO
Item
100° Three-Flute Countersink, 3/4 in Body Dia, AlTiN Coated High Speed Steel
Category
General Purpose Three-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

KEO
Manufacturer Part Number
917-000-978

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

KEO General Purpose Three-Flute Countersinks.

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 KEO 100° countersink used for?

A KEO 100° countersink with three flutes is designed to create a conical recess for flat-head screws in metalworking. It is commonly used in machining and fabrication to deburr holes and prepare surfaces for flush fasteners, ensuring a clean, professional finish in industrial applications.

What are the specifications of the KEO 917-000-978 countersink?

The KEO 917-000-978 is a 100° countersink with three flutes, a 3/4 in body diameter, and AlTiN-coated high-speed steel construction. The AlTiN coating enhances wear resistance and heat tolerance, making it suitable for harder materials. It is a general-purpose tool for precision countersinking.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 917-000-978 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other KEO cutting tools.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the screw head angle (e.g., 100° for flat-head screws), body diameter matching the hole size, and flute count for chip evacuation. For harder materials, choose AlTiN-coated high-speed steel like the 917-000-978. Always match the tool to your material and desired finish.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO 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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Cross-referenced by specification & description
General purpose countersink with 120° included angle, three-flute design, and 3/4 in body diameter. Made from AlTiN-coated high-speed steel. Used for deburring and countersinking holes in metal, plastic, and wood, suitable for flat-head screws and industrial machining operations
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General purpose countersink with 120° included angle, three-flute design, and 3/4 in body diameter. Made from AlTiN-coated high-speed steel. Used for deburring and countersinking holes in metal, plastic, and wood, suitable for flat-head screws and industrial machining operations
This general-purpose countersink features a 100° included angle and three flutes for smooth cutting with reduced chatter. The 1/2 in body diameter tool is constructed from AlTiN coated high-speed steel for wear resistance and heat dissipation. Suitable for deburring and countersinking on ferrous and non-ferrous materials in machining applications
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This general-purpose countersink features a 100° included angle and three flutes for smooth cutting with reduced chatter. The 1/2 in body diameter tool is constructed from AlTiN coated high-speed steel for wear resistance and heat dissipation. Suitable for deburring and countersinking on ferrous and non-ferrous materials in machining applications
General-purpose countersink with a 60° included angle and three-flute design for smooth, chatter-free operation. Constructed from AlTiN-coated high-speed steel for extended tool life. Suitable for deburring and countersinking holes in metal, plastic, and wood in industrial manufacturing and maintenance applications
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General-purpose countersink with a 60° included angle and three-flute design for smooth, chatter-free operation. Constructed from AlTiN-coated high-speed steel for extended tool life. Suitable for deburring and countersinking holes in metal, plastic, and wood in industrial manufacturing and maintenance applications
This 90° countersink features three flutes for smooth, chatter-free cutting. The AlTiN coating on high-speed steel extends tool life in abrasive materials. Suitable for deburring and creating chamfered holes in metal, plastic, or wood
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This 90° countersink features three flutes for smooth, chatter-free cutting. The AlTiN coating on high-speed steel extends tool life in abrasive materials. Suitable for deburring and creating chamfered holes in metal, plastic, or wood
General-purpose three-flute countersink with a 90° included angle and 1/2 in body diameter. Constructed from AlTiN coated high-speed steel for extended tool life. Used to create chamfers or countersinks in metal, plastic, or wood, and for deburring holes in industrial machining and fabrication
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General-purpose three-flute countersink with a 90° included angle and 1/2 in body diameter. Constructed from AlTiN coated high-speed steel for extended tool life. Used to create chamfers or countersinks in metal, plastic, or wood, and for deburring holes in industrial machining and fabrication
General purpose countersink with a 120° included angle, three-flute design, and 1/4 in body diameter. Constructed from AlTiN-coated high-speed steel for wear resistance. Used for deburring and countersinking holes in metal, plastic, and wood, particularly for flat-head screws
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General purpose countersink with a 120° included angle, three-flute design, and 1/4 in body diameter. Constructed from AlTiN-coated high-speed steel for wear resistance. Used for deburring and countersinking holes in metal, plastic, and wood, particularly for flat-head screws

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This KEO countersink features a 110° included angle and three flutes for smooth cutting with reduced chatter. The body diameter is 1 1/4 in, and the tool is made of TiN coated high speed steel for increased wear resistance. It is used for creating conical recesses for flat-head screws and for deburring holes in metalworking and machining applications
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This KEO countersink features a 110° included angle and three flutes for smooth cutting with reduced chatter. The body diameter is 1 1/4 in, and the tool is made of TiN coated high speed steel for increased wear resistance. It is used for creating conical recesses for flat-head screws and for deburring holes in metalworking and machining applications
This 90° countersink features three flutes for smooth cutting and reduced chatter. The AlTiN coating on cobalt construction provides wear resistance and heat tolerance. It is used for creating conical recesses for flat-head screws and general deburring in metalworking
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This 90° countersink features three flutes for smooth cutting and reduced chatter. The AlTiN coating on cobalt construction provides wear resistance and heat tolerance. It is used for creating conical recesses for flat-head screws and general deburring in metalworking
General-purpose three-flute countersink with 60° included angle, 1/2 in body diameter, made from carbide. Designed for creating conical recesses to accommodate flathead screws in metalworking and machining operations. Suitable for use on steel, aluminum, and other materials
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General-purpose three-flute countersink with 60° included angle, 1/2 in body diameter, made from carbide. Designed for creating conical recesses to accommodate flathead screws in metalworking and machining operations. Suitable for use on steel, aluminum, and other materials
This 82° countersink features three flutes for smooth cutting and reduced chatter. Made from cobalt for durability in hard materials. Body diameter 1 3/4 in, shank diameter 3/4 in. Used for deburring and countersinking holes to create a conical recess for flat-head screws in metal fabrication and machining applications
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This 82° countersink features three flutes for smooth cutting and reduced chatter. Made from cobalt for durability in hard materials. Body diameter 1 3/4 in, shank diameter 3/4 in. Used for deburring and countersinking holes to create a conical recess for flat-head screws in metal fabrication and machining applications
This KEO countersink features a 60° included angle and three flutes for smooth cutting with reduced chatter. The 3/8 in body diameter and high-speed steel construction suit general-purpose machining and deburring tasks. Commonly used to create conical recesses for flathead screws or to deburr holes in metalworking
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This KEO countersink features a 60° included angle and three flutes for smooth cutting with reduced chatter. The 3/8 in body diameter and high-speed steel construction suit general-purpose machining and deburring tasks. Commonly used to create conical recesses for flathead screws or to deburr holes in metalworking
General-purpose three-flute countersink with a 60° included angle and 1 in body diameter. Constructed from carbide for use in metalworking and machining operations to create conical recesses for flat-head screws
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KEO three-flute countersink with 100° included angle, 3/16 in body diameter and 3/16 in shank. Made from TiAlN coated carbide for heat resistance. Used for creating conical recesses for flat-head screws and deburring holes in metalworking applications
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