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KEO 90° Single-Flute Countersink, 3/16 in Body Dia, 3/16 in Shank, Cobalt - Fast-Cutting Single-Flute Countersinks
KEOFast-Cutting Single-Flute Countersinks

KEO 90° Single-Flute Countersink, 3/16 in Body Dia, 3/16 in Shank, Cobalt

KEO Fast-Cutting Single-Flute Countersinks.

SKU 3G-OTH-185596

Also listed as: 919000599 · 919 000 599

Brand
KEO
Item
90° Single-Flute Countersink, 3/16 in Body Dia, 3/16 in Shank, Cobalt
Category
Fast-Cutting Single-Flute Countersinks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
919-000-599

Technical Documents

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

Product Description

KEO Fast-Cutting Single-Flute Countersinks.

Frequently Asked Questions

What is a KEO 90° single-flute countersink used for?

A KEO 90° single-flute countersink creates a conical recess for flat-head screws in metalworking. Its cobalt construction handles hardened steels, and the single-flute design provides fast, chatter-free cutting in production environments.

What are the specifications of the KEO 919-000-599 countersink?

The KEO 919-000-599 is a 90° countersink with a 3/16 in body diameter and 3/16 in shank. It has one flute and is made from cobalt for heat resistance. The brand is KEO, and the MPN is 919-000-599.

Where to buy KEO countersinks worldwide?

3G Electric supplies KEO countersinks like the 919-000-599 to customers worldwide. We handle full logistics and customs clearance, ensuring delivery to your facility. Contact us for pricing and lead time on this cobalt single-flute tool.

How to select the right KEO countersink for your application?

Match the countersink angle (90° for flat-head screws) and body diameter to your fastener size. For hard materials, choose cobalt or carbide. Single-flute designs cut faster with less vibration. Verify shank diameter fits your toolholder.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This OSG general purpose STI tap is sized 3/8"-16 UNC with a bottoming chamfer and 4 flutes. It features an H3 / 2B-3B tolerance class for cutting threads that accept screw thread inserts. Used in pre-drilled holes for thread repair and reinforcement in metalworking and industrial maintenance
OSG
This OSG general purpose STI tap is sized 3/8"-16 UNC with a bottoming chamfer and 4 flutes. It features an H3 / 2B-3B tolerance class for cutting threads that accept screw thread inserts. Used in pre-drilled holes for thread repair and reinforcement in metalworking and industrial maintenance
General purpose STI tap for cutting internal threads to accept screw thread inserts. Features a bottoming chamfer for threading to the bottom of blind holes. Straight flute design with 3 flutes. Thread size 1/4"-20 UNC with H3 / 2B-3B tolerance
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General purpose STI tap for cutting internal threads to accept screw thread inserts. Features a bottoming chamfer for threading to the bottom of blind holes. Straight flute design with 3 flutes. Thread size 1/4"-20 UNC with H3 / 2B-3B tolerance
General purpose STI tap for cutting internal threads in pre-drilled holes to accept helical wire thread inserts. Straight flute design with plug chamfer and 4 flutes. UNC 3/8"-16, H3 tolerance for 2B-3B class threads. Suitable for thread repair or reinforcement in softer materials
OSG
General purpose STI tap for cutting internal threads in pre-drilled holes to accept helical wire thread inserts. Straight flute design with plug chamfer and 4 flutes. UNC 3/8"-16, H3 tolerance for 2B-3B class threads. Suitable for thread repair or reinforcement in softer materials
OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 1812400)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 1812400)
Straight flute STI tap for cutting internal threads prior to installing helical wire thread inserts. UNC 7/16"-14 thread size with H3 / 2B-3B tolerance and plug chamfer. Suitable for general-purpose threading applications in materials such as aluminum or cast iron
OSG
Straight flute STI tap for cutting internal threads prior to installing helical wire thread inserts. UNC 7/16"-14 thread size with H3 / 2B-3B tolerance and plug chamfer. Suitable for general-purpose threading applications in materials such as aluminum or cast iron
General purpose STI tap for cutting internal threads prior to installing helical wire thread inserts. Features a straight flute design, plug chamfer, and H3 / 2B-3B tolerance. Suitable for thread repair or reinforcement in applications such as automotive, aerospace, and general manufacturing
OSG
General purpose STI tap for cutting internal threads prior to installing helical wire thread inserts. Features a straight flute design, plug chamfer, and H3 / 2B-3B tolerance. Suitable for thread repair or reinforcement in applications such as automotive, aerospace, and general manufacturing

More from KEO

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This fast-cutting single-flute countersink features a 120° included angle and a 5/8 in body diameter, constructed from cobalt. It is used to create conical recesses for flat-head screws or to deburr holes in metal. Suitable for use in drill presses or handheld tools for precise chamfering and deburring in machining and fabrication applications
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This fast-cutting single-flute countersink features a 120° included angle and a 5/8 in body diameter, constructed from cobalt. It is used to create conical recesses for flat-head screws or to deburr holes in metal. Suitable for use in drill presses or handheld tools for precise chamfering and deburring in machining and fabrication applications
This KEO countersink features a 100° included angle and a single-flute design for fast cutting. The body and shank diameters are both 3/16 in. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws in metalworking applications
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This KEO countersink features a 100° included angle and a single-flute design for fast cutting. The body and shank diameters are both 3/16 in. Made from cobalt steel, it is suited for creating conical recesses for flat-head screws in metalworking applications
This fast-cutting single-flute countersink is made of TiN coated carbide for extended tool life. With an 82° included angle, it is used for deburring and countersinking holes in metal, plastic, or composite materials. The single-flute design minimizes chatter and provides a clean chamfer for screw holes in machining and fabrication applications
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This fast-cutting single-flute countersink is made of TiN coated carbide for extended tool life. With an 82° included angle, it is used for deburring and countersinking holes in metal, plastic, or composite materials. The single-flute design minimizes chatter and provides a clean chamfer for screw holes in machining and fabrication applications
This fast-cutting single-flute countersink creates a 90° conical recess for flat-head screws. Made from AlTiN coated high-speed steel, it is suitable for deburring and countersinking in ferrous and non-ferrous materials. Body diameter is 1-1/2 in with a 3/4 in shank
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This fast-cutting single-flute countersink creates a 90° conical recess for flat-head screws. Made from AlTiN coated high-speed steel, it is suitable for deburring and countersinking in ferrous and non-ferrous materials. Body diameter is 1-1/2 in with a 3/4 in shank
This 82° countersink features a single-flute design for fast, clean cutting. Made from AlTiN-coated high-speed steel with a 1/2 in body diameter. Suitable for creating conical recesses for flat-head screws in metal, wood, or plastic, and can be used in drill presses or handheld tools
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This 82° countersink features a single-flute design for fast, clean cutting. Made from AlTiN-coated high-speed steel with a 1/2 in body diameter. Suitable for creating conical recesses for flat-head screws in metal, wood, or plastic, and can be used in drill presses or handheld tools
High-speed steel single-flute countersink with 110° included angle, 1-3/4 in body diameter, and 3/4 in shank. Designed for deburring and chamfering drilled holes in metalworking applications, creating conical recesses for flat-head screws
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High-speed steel single-flute countersink with 110° included angle, 1-3/4 in body diameter, and 3/4 in shank. Designed for deburring and chamfering drilled holes in metalworking applications, creating conical recesses for flat-head screws
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This single-flute countersink creates 82° chamfered holes in metal, plastic, or wood. Commonly used in machining and fabrication to deburr drilled holes or prepare countersunk screw seats. The AlTiN coating reduces friction and heat buildup for extended tool life on abrasive materials
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This KEO countersink features a single-flute design for fast cutting in metal, plastic, or wood. With an 82° included angle and 5/8 in body diameter, it is used for deburring and chamfering holes in machining and fabrication applications. The AlTiN-coated carbide construction provides wear resistance in high-speed production environments