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Frequently Asked Questions
What is a KEO 60° countersink used for?
A KEO 60° countersink with 4 flutes and AlTiN coating is used to create a conical recess for flat-head screws in metalworking. It is ideal for deburring holes and preparing surfaces in machining, aerospace, and automotive applications where precision and tool life are critical.
What are the specifications of the KEO 917-000-841 countersink?
The KEO 917-000-841 is a 60° four-flute machine countersink with a 1 1/4 in body diameter, made from cobalt with an AlTiN coating. It is designed for high-speed steel performance in ferrous materials, offering heat resistance and extended tool life in industrial machining operations.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 917-000-841 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this AlTiN-coated cobalt tool, available to order through our global sourcing network.
How to select the right KEO countersink for your application?
Select a KEO countersink based on the screw head angle (60° for standard flat-head), material hardness (AlTiN coating for tough steels), and flute count (4 flutes for smoother finish). Match body diameter to your hole size and ensure the tool is compatible with your machine's RPM range for optimal chip evacuation.
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.















