KEO Countersink: 100°, 6 Flute, 7/8 in Body Dia
SKU 3G-OTH-187889
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Frequently Asked Questions
What is the KEO 100° 6-flute countersink used for?
The KEO 100° 6-flute countersink is designed for creating smooth, burr-free 100° countersunk holes in metal, particularly in aerospace and precision machining. Its six-flute design and AlTiN-coated cobalt construction provide superior chip evacuation and extended tool life when working with hardened steels and stainless alloys.
What are the specifications of the KEO 919-002-506 countersink?
The KEO 919-002-506 is a 100° countersink with six flutes, a 7/8 in body diameter, and an AlTiN coating on cobalt substrate. It is manufactured by KEO under MPN 919-002-506 and is part of their Smooth-Finish Six-Flute Countersinks product line, optimized for high-performance deburring and chamfering.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 919-002-506 to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on this and other KEO cutting tools.
How to select the right KEO countersink for your application?
Select a KEO countersink based on the required angle (e.g., 100°), material hardness, and desired finish. For hardened steels, choose AlTiN-coated cobalt fluted designs like the 919-002-506. Match body diameter to your hole size and ensure the flute count suits chip evacuation needs. Consult KEO's technical data for specific feed and speed recommendations.
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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.















