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Frequently Asked Questions
What is the KEO 919-000-541 countersink used for?
The KEO 919-000-541 is a 90°, 4-flute machine countersink used for deburring and chamfering holes in metal. It is commonly applied in machining and fabrication to create a smooth, angled seat for flat-head screws or to remove sharp edges. The cobalt construction suits harder materials like stainless steel.
What are the specifications of the KEO 919-000-541 countersink?
The KEO 919-000-541 is a 90° countersink with 4 flutes and a 5/8 in body diameter. It is made from cobalt steel, offering heat resistance and durability for industrial use. The manufacturer part number is 919-000-541, and it is designed for machine operations in metalworking.
Where to buy the KEO 919-000-541 countersink worldwide?
You can source the KEO 919-000-541 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this KEO tool to procurement teams and engineers internationally.
How to select the right KEO countersink for your application?
Select a KEO countersink based on hole angle, material, and size. For standard flat-head screws, a 90° angle is typical. The 4-flute design provides smooth cutting and chip evacuation. Cobalt material suits harder metals like stainless steel. Match the body diameter to your tool holder and the required chamfer depth.
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.















