KEO Countersink: 100°, 1 Flute, 1/4 in Body Dia
SKU 3G-OTH-185665
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a KEO 100° countersink used for?
A KEO 100° countersink creates a conical recess for flat-head screws in metalworking. The single-flute design and AlTiN-coated cobalt body deliver fast, clean cutting in hardened steels and alloys, making it ideal for tool and die, aerospace, and precision machining applications.
What are the specifications of the KEO 919-002-604 countersink?
The KEO 919-002-604 is a 100° single-flute countersink with a 1/4 in body diameter. It features an AlTiN coating on a cobalt substrate for heat resistance and extended tool life. This KEO tool is designed for high-speed, burr-free countersinking in ferrous materials.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 919-002-604 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote on this AlTiN-coated cobalt tool, and we will source and ship it to your location.
How to select the right KEO countersink for hardened steel?
For hardened steel, choose a KEO countersink with AlTiN coating and cobalt substrate, like the 919-002-604. The 100° angle suits standard flat-head screws. Match the body diameter to your fastener head size, and use a rigid setup with coolant to prevent chatter and extend tool life.
Used in
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.















