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KEO Smooth-Finish Six-Flute Countersink, 60°, 5/16 in Body Dia, High Speed Steel - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO Smooth-Finish Six-Flute Countersink, 60°, 5/16 in Body Dia, High Speed Steel

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188135

Also listed as: 919000303 · 919 000 303

Brand
KEO
Item
Smooth-Finish Six-Flute Countersink, 60°, 5/16 in Body Dia, High Speed Steel
Category
Smooth-Finish Six-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
919-000-303

Technical Documents

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

Product Description

KEO Smooth-Finish Six-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 6-flute countersink used for?

A KEO 6-flute countersink is used to create a smooth, chamfered recess for flat-head screws in metalworking and machining applications. The six-flute design reduces chatter and produces a finer finish than standard countersinks, making it ideal for precision assembly and deburring operations.

What are the specifications of the KEO 919-000-303 countersink?

The KEO 919-000-303 is a 60° countersink with 6 flutes, a 5/16 in body diameter, and is made from high-speed steel. It is designed for smooth-finish countersinking in ferrous and non-ferrous materials. This tool is part of KEO's Smooth-Finish Six-Flute Countersinks line.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 919-000-303 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 high-speed steel, 6-flute countersink.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the screw head angle (typically 60° or 82°), material type, and desired finish. For steel or stainless steel, use high-speed steel tools like the 919-000-303. Match the body diameter to the screw head size. Six-flute designs provide smoother finishes than three-flute versions.

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 smooth-finish six-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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 60° countersink features six flutes for smooth, chatter-free operation. Made from high-speed steel, it is suitable for deburring and countersinking holes in metal, plastic, and wood. Common applications include aerospace, automotive, and general machining where precise 60° chamfers are required
KEO
This 60° countersink features six flutes for smooth, chatter-free operation. Made from high-speed steel, it is suitable for deburring and countersinking holes in metal, plastic, and wood. Common applications include aerospace, automotive, and general machining where precise 60° chamfers are required
This six-flute countersink is designed for deburring and countersinking holes in metal, plastic, and wood. The 60° angle and flute geometry reduce chatter and produce a smooth finish. Suitable for precision work in machining and fabrication
KEO
This six-flute countersink is designed for deburring and countersinking holes in metal, plastic, and wood. The 60° angle and flute geometry reduce chatter and produce a smooth finish. Suitable for precision work in machining and fabrication
This countersink features a 60° included angle and six flutes to produce smooth, burr-free chamfers on drilled holes. The six-flute design minimizes chatter and vibration during operation. It is made from high-speed steel and is suitable for deburring and countersinking in metal, plastic, and wood
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This countersink features a 60° included angle and six flutes to produce smooth, burr-free chamfers on drilled holes. The six-flute design minimizes chatter and vibration during operation. It is made from high-speed steel and is suitable for deburring and countersinking in metal, plastic, and wood
KEO 60° six-flute countersink with 1 1/4 in body diameter, made of high-speed steel. Designed for deburring and countersinking holes in metal, plastic, and wood, providing a smooth finish and reduced chatter. Suitable for machining, fabrication, and assembly operations requiring precise 60° chamfers
KEO
KEO 60° six-flute countersink with 1 1/4 in body diameter, made of high-speed steel. Designed for deburring and countersinking holes in metal, plastic, and wood, providing a smooth finish and reduced chatter. Suitable for machining, fabrication, and assembly operations requiring precise 60° chamfers
This six-flute countersink produces smooth, chatter-free chamfers and deburred holes in metal, plastic, and wood. The 60° included angle is suited for creating countersinks for flat-head screws. Made from high-speed steel for general machining applications
KEO
This six-flute countersink produces smooth, chatter-free chamfers and deburred holes in metal, plastic, and wood. The 60° included angle is suited for creating countersinks for flat-head screws. Made from high-speed steel for general machining applications
This 60° countersink features six flutes for smooth cutting action. It is made of high-speed steel and has a 1/8 in body diameter with a 1/8 in shank. Used for creating chamfered holes in metal to accommodate flush screw or bolt heads
KEO
This 60° countersink features six flutes for smooth cutting action. It is made of high-speed steel and has a 1/8 in body diameter with a 1/8 in shank. Used for creating chamfered holes in metal to accommodate flush screw or bolt heads

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This 120° countersink features six flutes for smooth deburring and chamfering of holes in metal. The AlTiN-coated cobalt construction provides heat resistance and extended tool life in high-speed machining of hardened steels and alloys. Suitable for general industrial applications requiring a clean, finished edge
KEO
This 120° countersink features six flutes for smooth deburring and chamfering of holes in metal. The AlTiN-coated cobalt construction provides heat resistance and extended tool life in high-speed machining of hardened steels and alloys. Suitable for general industrial applications requiring a clean, finished edge
This 60° countersink features a six-flute design for smooth, burr-free chamfering and deburring in metal, plastic, and wood. The AlTiN coating reduces heat buildup and improves surface finish. Suitable for precision machining and industrial manufacturing applications
KEO
This 60° countersink features a six-flute design for smooth, burr-free chamfering and deburring in metal, plastic, and wood. The AlTiN coating reduces heat buildup and improves surface finish. Suitable for precision machining and industrial manufacturing applications
This 100° countersink features six flutes and an AlTiN-coated high-speed steel body for producing smooth, burr-free chamfers. It is suited for deburring and countersinking holes in metalworking applications such as machining and fabrication
KEO
This 100° countersink features six flutes and an AlTiN-coated high-speed steel body for producing smooth, burr-free chamfers. It is suited for deburring and countersinking holes in metalworking applications such as machining and fabrication
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, or wood. The 100° angle is suited for precision countersinking in aerospace and automotive applications. Made from AlTiN-coated high speed steel for extended tool life
KEO
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, or wood. The 100° angle is suited for precision countersinking in aerospace and automotive applications. Made from AlTiN-coated high speed steel for extended tool life
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, and composite materials. The AlTiN coating extends tool life in abrasive or high-temperature applications. Body diameter is 3/8 in
KEO
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, and composite materials. The AlTiN coating extends tool life in abrasive or high-temperature applications. Body diameter is 3/8 in
This KEO countersink features a 100° included angle and six flutes for smooth, chatter-free cutting. The 2-inch body diameter and 3/4-inch shank suit standard toolholders. Cobalt construction provides heat resistance for machining hardened steels and stainless alloys. Used to create chamfered recesses for flat-head screws in metalworking
KEO
This KEO countersink features a 100° included angle and six flutes for smooth, chatter-free cutting. The 2-inch body diameter and 3/4-inch shank suit standard toolholders. Cobalt construction provides heat resistance for machining hardened steels and stainless alloys. Used to create chamfered recesses for flat-head screws in metalworking
This 90° countersink features six flutes for chatter-free operation, producing a smooth finish on drilled holes. The cobalt steel construction offers heat resistance for extended tool life. Suitable for chamfering and deburring ferrous and non-ferrous materials in machining applications
KEO
This 90° countersink features six flutes for chatter-free operation, producing a smooth finish on drilled holes. The cobalt steel construction offers heat resistance for extended tool life. Suitable for chamfering and deburring ferrous and non-ferrous materials in machining applications
This 90° countersink features six flutes for smooth, chatter-free operation when creating chamfers and countersinks in metal. The TiN-coated cobalt construction provides extended tool life. Commonly used for deburring holes and preparing surfaces for flat-head screws in machining and fabrication
KEO
This 90° countersink features six flutes for smooth, chatter-free operation when creating chamfers and countersinks in metal. The TiN-coated cobalt construction provides extended tool life. Commonly used for deburring holes and preparing surfaces for flat-head screws in machining and fabrication