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KEO 100° Smooth-Finish Six-Flute Countersink, 3/8 in Body Dia, Cobalt Steel - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO 100° Smooth-Finish Six-Flute Countersink, 3/8 in Body Dia, Cobalt Steel

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188178

Also listed as: 919000809 · 919 000 809

Brand
KEO
Item
100° Smooth-Finish Six-Flute Countersink, 3/8 in Body Dia, Cobalt 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
919-000-809

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 the KEO 100° countersink used for?

The KEO 100° countersink is designed for creating smooth, chamfered holes in metal, particularly for aerospace and precision machining applications. Its six-flute design reduces chatter and produces a fine finish on countersunk fastener heads.

What are the specifications of the KEO 919-000-809 countersink?

The KEO 919-000-809 is a 100° countersink with six flutes, a 3/8 in body diameter, and is made from cobalt steel. It is part of KEO's Smooth-Finish Six-Flute Countersinks line, optimized for clean, burr-free results in hard materials.

Where to buy KEO countersinks worldwide?

You can source KEO countersinks like the 919-000-809 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining operations.

How to select the right KEO countersink for your application?

Select a KEO countersink based on the required angle (e.g., 100° for standard flat-head screws), material hardness (cobalt for tough alloys), and flute count (six flutes for smoother finish). Match body diameter to your drill size and ensure shank fits your tool holder.

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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Cross-referenced by specification & description
This countersink features a 100° included angle and six flutes to reduce chatter and vibration, producing a smooth finish on chamfered holes. The 3/4 in body diameter and cobalt steel construction provide durability and heat resistance. Suitable for general machining operations requiring precise countersinking
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This countersink features a 100° included angle and six flutes to reduce chatter and vibration, producing a smooth finish on chamfered holes. The 3/4 in body diameter and cobalt steel construction provide durability and heat resistance. Suitable for general machining operations requiring precise countersinking
This countersink features a 100° included angle and six flutes for reduced chatter and a smooth finish. The 1/4 in body diameter and cobalt steel construction support cutting in steel, stainless steel, and non-ferrous materials. Suitable for precision countersinking in machining and metalworking applications
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This countersink features a 100° included angle and six flutes for reduced chatter and a smooth finish. The 1/4 in body diameter and cobalt steel construction support cutting in steel, stainless steel, and non-ferrous materials. Suitable for precision countersinking in machining and metalworking applications
This six-flute countersink produces a smooth, chatter-free finish on steel, stainless steel, and aluminum. The 100° included angle is suited for countersinking screw heads or deburring edges in precision machining. Cobalt steel construction provides heat resistance for use on hard metals
KEO
This six-flute countersink produces a smooth, chatter-free finish on steel, stainless steel, and aluminum. The 100° included angle is suited for countersinking screw heads or deburring edges in precision machining. Cobalt steel construction provides heat resistance for use on hard metals
This KEO countersink features a 100° included angle and six-flute design to reduce chatter and produce a smooth finish. The 5/16 in body diameter cobalt steel construction suits countersinking in hard materials. Commonly used in metalworking for creating countersunk holes prior to fastening
KEO
This KEO countersink features a 100° included angle and six-flute design to reduce chatter and produce a smooth finish. The 5/16 in body diameter cobalt steel construction suits countersinking in hard materials. Commonly used in metalworking for creating countersunk holes prior to fastening
This countersink features a 100° included angle and six-flute design to reduce chatter and vibration, producing a smooth finish. Made from cobalt steel, it is suited for countersinking in metal and composite materials. Common applications include aerospace, automotive, and general manufacturing where a clean countersunk hole is required
KEO
This countersink features a 100° included angle and six-flute design to reduce chatter and vibration, producing a smooth finish. Made from cobalt steel, it is suited for countersinking in metal and composite materials. Common applications include aerospace, automotive, and general manufacturing where a clean countersunk hole is required
This countersink features a 100° included angle and six-flute design to reduce chatter and produce a smooth finish. The 1/2 in body diameter and cobalt steel construction provide heat resistance for use in hard materials. Suitable for creating countersunk holes for flat-head screws in metalworking applications
KEO
This countersink features a 100° included angle and six-flute design to reduce chatter and produce a smooth finish. The 1/2 in body diameter and cobalt steel construction provide heat resistance for use in hard materials. Suitable for creating countersunk holes for flat-head screws in metalworking applications

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This six-flute countersink produces a smooth 82° chamfer for deburring and countersinking holes in metal. The AlTiN-coated carbide body provides wear resistance in harder materials. Suitable for use in CNC and manual machines for precision machining and fabrication
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This six-flute countersink produces a smooth 82° chamfer for deburring and countersinking holes in metal. The AlTiN-coated carbide body provides wear resistance in harder materials. Suitable for use in CNC and manual machines for precision machining and fabrication
This six-flute countersink is made from TiN coated cobalt for smooth finish applications. It features a 1-1/2 in body diameter and a 3/4 in shank. Designed for creating 120° countersunk holes in metal, it is commonly used on CNC mills or drill presses for deburring and chamfering operations
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This six-flute countersink is made from TiN coated cobalt for smooth finish applications. It features a 1-1/2 in body diameter and a 3/4 in shank. Designed for creating 120° countersunk holes in metal, it is commonly used on CNC mills or drill presses for deburring and chamfering operations
This KEO countersink features a 100° included angle with six flutes for smooth, burr-free chamfering. The AlTiN-coated carbide construction provides wear resistance in hard materials. Common applications include creating countersunk holes for flush fasteners in metal, plastic, and composite workpieces
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This KEO countersink features a 100° included angle with six flutes for smooth, burr-free chamfering. The AlTiN-coated carbide construction provides wear resistance in hard materials. Common applications include creating countersunk holes for flush fasteners in metal, plastic, and composite workpieces
This six-flute countersink is made from AlTiN-coated carbide for heat resistance and extended tool life. It has a 1-1/4 in body diameter and 3/4 in shank, designed for precision chamfering and deburring in metalworking applications
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This six-flute countersink is made from AlTiN-coated carbide for heat resistance and extended tool life. It has a 1-1/4 in body diameter and 3/4 in shank, designed for precision chamfering and deburring in metalworking applications
This six-flute countersink is made from AlTiN coated cobalt steel with a 1-3/4 in body diameter and 3/4 in shank. Designed for creating smooth, chatter-free 82° countersinks in metal, it is commonly used for deburring and preparing holes for flat-head screws in machining applications
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This six-flute countersink is made from AlTiN coated cobalt steel with a 1-3/4 in body diameter and 3/4 in shank. Designed for creating smooth, chatter-free 82° countersinks in metal, it is commonly used for deburring and preparing holes for flat-head screws in machining applications
This six-flute countersink is designed for deburring and countersinking holes in metal, producing a smooth finish. It is suitable for preparing holes for flat-head screws or removing sharp edges in machining and fabrication applications. Made from high-speed steel
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This six-flute countersink is designed for deburring and countersinking holes in metal, producing a smooth finish. It is suitable for preparing holes for flat-head screws or removing sharp edges in machining and fabrication applications. Made from high-speed steel
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This six-flute countersink produces a smooth chamfered recess for screw heads in metalworking and machining applications. The 90° angle accommodates standard flat-head screws. Made from high-speed steel (HSS) for general-purpose use. Body diameter and shank are both 1/8 in