KEO Countersink: 60°, 4 Flute, 1 1/2 in Body Dia, 3/4 in Shank
SKU 3G-OTH-185984
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Frequently Asked Questions
What is a KEO 60° countersink used for?
A KEO 60° countersink creates a conical recess for flathead screws or deburrs holes in metal. This 4-flute, AlTiN-coated cobalt model is designed for hard materials like stainless steel and tool steel, delivering a smooth finish and long tool life.
What are the specifications of the KEO 917-000-840 countersink?
The KEO 917-000-840 is a 60° four-flute machine countersink with a 1 1/2 in body diameter and a 3/4 in shank. It features an AlTiN coating on cobalt substrate for heat resistance and wear protection, suitable for high-speed machining.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 917-000-840 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.
How to select the right KEO countersink for your application?
Match the countersink angle (60° for standard flathead screws) and body diameter to your fastener size. For hard materials, choose AlTiN-coated cobalt like this KEO model. Ensure shank diameter fits your tool holder. Consult a KEO catalog for RPM and feed recommendations.
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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.















