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Frequently Asked Questions
What is a KEO 60° countersink used for?
A KEO 60° countersink with four flutes is used to create a conical recess for flathead screws or to deburr holes in metal. The 60° angle is standard for fastener seating, and the cobalt construction suits harder materials like stainless steel.
What are the specifications of the KEO 917-000-277 countersink?
The KEO 917-000-277 is a 60° four-flute machine countersink with a 1 1/4 in body diameter. It is made from cobalt for heat resistance and durability. The four-flute design provides smooth cutting and reduced chatter in production environments.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 917-000-277 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this cobalt four-flute countersink.
How to select the right KEO countersink for your application?
Match the countersink angle to your fastener (60° for standard flathead screws) and choose flute count based on material. Four-flute designs like this KEO model reduce vibration in steel. Cobalt tools handle heat better than HSS for harder alloys.
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.
