KEO Countersink: 100°, 3 Flute, 1/4 in Body Dia
SKU 3G-OTH-185086
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the KEO 100° countersink used for?
The KEO 100° countersink is designed for deburring and countersinking holes in metal, particularly for aerospace and general machining applications. Its three-flute design provides smooth cutting and reduced chatter, while the AlTiN coating extends tool life on hard materials like stainless steel.
What are the specifications of the KEO 917-000-870 countersink?
The KEO 917-000-870 is a 100° countersink with three flutes, a 1/4 in body diameter, and an AlTiN coated cobalt construction. It is a general-purpose tool from KEO, suitable for precision countersinking in metalworking. The part number is 917-000-870.
Where to buy the KEO 917-000-870 countersink worldwide?
You can source the KEO 917-000-870 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 on this KEO tool.
How to select the right KEO countersink for your application?
To select the right KEO countersink, match the body diameter and angle to your fastener requirements. For hard materials, choose AlTiN coated tools like the 917-000-870. Ensure the flute count suits your material—three flutes reduce vibration. Always verify the shank size fits your toolholder.
Used in
Common applications for KEOKEO Products
3G Electric supplies KEO general purpose three-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















