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Frequently Asked Questions
What is the KEO 60° countersink used for?
The KEO 60° countersink is used for deburring and countersinking holes in metal workpieces. Its 4-flute design provides smooth cutting action, making it suitable for machining operations in industrial manufacturing, automotive, and aerospace applications where precise 60° chamfers are required.
What are the specifications of the KEO 919-000-521 countersink?
The KEO 919-000-521 is a 60° four-flute machine countersink with a 5/8 in body diameter, made from cobalt steel. It is designed for use in drill presses and milling machines to create clean, accurate chamfers. The cobalt material offers heat resistance for extended tool life in ferrous materials.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks worldwide, handling full logistics and customs clearance for international orders. As a global industrial equipment distributor since 1990, we source and deliver the KEO 919-000-521 and other cutting tools to your facility. Contact us for availability and lead time.
How to select the right KEO countersink for your application?
Select a KEO countersink based on the required chamfer angle (e.g., 60°), body diameter matching your hole size, and material compatibility. For hard metals, choose cobalt or HSS variants. Ensure the shank fits your tool holder. 3G Electric can help match the correct KEO part number to your machining needs.
Used in
Common applications for KEOKEO Products
3G Electric supplies KEO four-flute machine countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
