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Frequently Asked Questions
What is the KEO 82° countersink used for?
The KEO 82° countersink is used to create a conical recess for flat-head screws in metalworking and machining applications. Its four-flute design provides smooth cutting and reduced chatter, making it suitable for production environments where consistent countersink depth and finish are required.
What are the specifications of the KEO 919-000-016 countersink?
The KEO 919-000-016 is an 82° four-flute machine countersink with a 5/8 in body diameter. It features a TiN-coated high-speed steel construction for extended tool life and is designed for use in drill presses and CNC machines. The TiN coating reduces friction and improves wear resistance.
Where to buy KEO countersinks worldwide?
KEO countersinks are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the KEO 919-000-016 or other KEO tooling.
How to select the correct KEO countersink size?
Select the KEO countersink based on the screw head angle and body diameter needed. For flat-head screws, match the countersink angle (82° for inch screws) and choose a body diameter slightly larger than the screw head. The 5/8 in body diameter suits medium-duty applications. Always verify the material and coating for your workpiece.
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.















