KEO Countersink: 100°, 1 Flute, 1 1/2 in Body Dia, 3/4 in Shank
SKU 3G-OTH-185454
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Frequently Asked Questions
What is a KEO 100° countersink used for?
A KEO 100° countersink is used to create a conical recess in a workpiece, typically for a flathead screw or bolt to sit flush with the surface. This 1-flute, 1 1/2 in body diameter, 3/4 in shank cobalt model is designed for fast cutting in hard materials like stainless steel.
What are the specifications of the KEO 919-000-639 countersink?
The KEO 919-000-639 is a 100° single-flute countersink with a 1 1/2 in body diameter and a 3/4 in shank. It is made from cobalt steel for durability and heat resistance. The 1-flute design enables aggressive chip evacuation and faster cutting in industrial machining applications.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 919-000-639 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine KEO tooling and support your procurement needs across 14 departments.
How to select the right KEO countersink for your application?
Select a KEO countersink based on the required angle (e.g., 100° for standard flathead screws), material hardness (cobalt for tough alloys), and shank size to match your tool holder. For high-speed production, a single-flute design like the 919-000-639 offers fast cutting and efficient chip removal.
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Common applications for KEOKEO 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.















