KEO Countersink: 90°, 6 Flute, 5/16 in Body Dia
SKU 3G-OTH-188161
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Frequently Asked Questions
What is a KEO 6-flute countersink used for?
A KEO 6-flute countersink creates smooth, chatter-free 90° chamfers and countersinks in metal, plastic, and wood. It is ideal for deburring holes and preparing fastener seats in machining, fabrication, and assembly applications across industrial departments.
What are the specifications of the KEO 919-002-531 countersink?
The KEO 919-002-531 is a 90°, 6-flute countersink with a 5/16 in body diameter. It features an AlTiN coated cobalt construction for heat resistance and extended tool life. This smooth-finish design reduces vibration and delivers consistent surface quality.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 919-002-531 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this AlTiN coated cobalt tool.
How to select the right KEO countersink for your application?
Match the countersink body diameter to your fastener head size and choose the flute count based on material. For hard metals, an AlTiN coated cobalt tool like the KEO 919-002-531 provides heat resistance. Always verify shank compatibility with your drill or machine.
Used in
Common applications for KEOKEO Products
3G Electric supplies KEO smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















