KEO Countersink: 100°, 6 Flute, 7/8 in Body Dia
SKU 3G-OTH-187900
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Frequently Asked Questions
What is a KEO 100° 6-flute countersink used for?
This KEO countersink creates smooth, burr-free 100° chamfers on drilled holes in metal. Its six-flute design reduces chatter for a finer finish, ideal for aerospace, automotive, and general machining applications where surface quality matters.
What are the specifications of the KEO 919-000-821 countersink?
The KEO 919-000-821 is a 100°, 6-flute countersink with a 7/8 in body diameter, made from cobalt steel. It is designed for smooth-finish chamfering on hard materials and is manufactured under part number 919-000-821.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 919-000-821 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial tooling regardless of your location.
How to select the right KEO countersink for my application?
Match the countersink angle (100°) to your fastener head angle, and choose a body diameter (7/8 in) larger than the hole. Cobalt steel suits harder metals. For best results, use proper RPM and light feed to avoid chatter.
Used in
Common applications for KEOKEO Products
3G Electric supplies KEO smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
