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Frequently Asked Questions
What is the KEO 4-flute countersink used for?
The KEO 90° countersink with four flutes is designed for deburring and chamfering holes in metal workpieces. It creates a clean, countersunk seat for flat-head screws. Common applications include machining, tool and die making, and general industrial fabrication where precise 90° chamfers are required.
What are the specifications of the KEO countersink 919-000-545?
This KEO countersink has a 90° included angle, four flutes for smooth cutting, and a 7/8 in body diameter. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is 919-000-545. It is a four-flute machine countersink suitable for use in drill presses and milling machines.
Where to buy the KEO 919-000-545 countersink worldwide?
3G Electric supplies the KEO 919-000-545 countersink to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this KEO cobalt countersink to any country.
How to select the correct KEO countersink for your application?
Select a KEO countersink based on the required chamfer angle—90° for standard flat-head screws. Choose body diameter to match hole size. Cobalt material suits harder metals like stainless steel. Four-flute designs provide faster cutting and better finish. Always match the countersink to your workpiece material and machine spindle speed.
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.
