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KEO 90° 6-Flute Countersink, 5/16 in Body Dia, AlTiN Coated Cobalt - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO 90° 6-Flute Countersink, 5/16 in Body Dia, AlTiN Coated Cobalt

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188161

Also listed as: 919002531 · 919 002 531

Brand
KEO
Item
90° 6-Flute Countersink, 5/16 in Body Dia, AlTiN Coated Cobalt
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
919-002-531

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 creates smooth, chatter-free 90° chamfers and countersinks in metal, plastic, and wood. It is ideal for deburring holes and preparing fastener seats in machining, fabrication, and assembly applications across industrial departments.

What are the specifications of the KEO 919-002-531 countersink?

The KEO 919-002-531 is a 90°, 6-flute countersink with a 5/16 in body diameter. It features an AlTiN coated cobalt construction for heat resistance and extended tool life. This smooth-finish design reduces vibration and delivers consistent surface quality.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 919-002-531 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this AlTiN coated cobalt tool.

How to select the right KEO countersink for your application?

Match the countersink body diameter to your fastener head size and choose the flute count based on material. For hard metals, an AlTiN coated cobalt tool like the KEO 919-002-531 provides heat resistance. Always verify shank compatibility with your drill or machine.

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
A 90° countersink with six flutes and a 1/2 in body diameter, made from cobalt with an AlTiN coating. The six-flute design reduces chatter and vibration for a smooth finish. Used for creating chamfered recesses for screw heads and deburring in metalworking applications on ferrous and non-ferrous materials
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A 90° countersink with six flutes and a 1/2 in body diameter, made from cobalt with an AlTiN coating. The six-flute design reduces chatter and vibration for a smooth finish. Used for creating chamfered recesses for screw heads and deburring in metalworking applications on ferrous and non-ferrous materials
This 90° countersink features six flutes for smooth, chatter-free operation. The AlTiN coated cobalt construction provides heat resistance and extended tool life. It is used for deburring holes and creating chamfers in metal parts
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This 90° countersink features six flutes for smooth, chatter-free operation. The AlTiN coated cobalt construction provides heat resistance and extended tool life. It is used for deburring holes and creating chamfers in metal parts
This KEO countersink features a 90° included angle with six flutes for smooth finishing. The 1/4 in body diameter tool is made from cobalt steel with an AlTiN coating for heat resistance and extended wear life. It is used for creating chamfered holes and deburring in metalworking applications
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This KEO countersink features a 90° included angle with six flutes for smooth finishing. The 1/4 in body diameter tool is made from cobalt steel with an AlTiN coating for heat resistance and extended wear life. It is used for creating chamfered holes and deburring in metalworking applications
This 90° countersink features six flutes for smooth finish and efficient chip evacuation. Made from AlTiN coated cobalt, it offers heat resistance and extended tool life. Commonly used for deburring and countersinking holes in metal, wood, and plastics
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This 90° countersink features six flutes for smooth finish and efficient chip evacuation. Made from AlTiN coated cobalt, it offers heat resistance and extended tool life. Commonly used for deburring and countersinking holes in metal, wood, and plastics
This countersink features an 82° included angle and six flutes for smooth, chatter-free chamfering. The AlTiN coating on cobalt steel provides wear resistance. It is used in machining operations to create countersunk holes for flat-head screws or deburr edges
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This countersink features an 82° included angle and six flutes for smooth, chatter-free chamfering. The AlTiN coating on cobalt steel provides wear resistance. It is used in machining operations to create countersunk holes for flat-head screws or deburr edges
This six-flute countersink is made from AlTiN-coated cobalt steel with a 1/8 in body diameter and 1/8 in shank. Designed for creating 90° countersunk holes, it produces a smooth finish in metals, plastics, and wood. The coating enhances heat and wear resistance for extended tool life in production and tool-and-die applications
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This six-flute countersink is made from AlTiN-coated cobalt steel with a 1/8 in body diameter and 1/8 in shank. Designed for creating 90° countersunk holes, it produces a smooth finish in metals, plastics, and wood. The coating enhances heat and wear resistance for extended tool life in production and tool-and-die applications

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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
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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
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
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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
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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
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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
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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
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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
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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
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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