KEO Countersink: 110°, 6 Flute, 7/8 in Body Dia
KEO Smooth-Finish Six-Flute Countersinks.
SKU 3G-OTH-188011
Also listed as: 55590TiN · 55590 TiN
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
KEO Smooth-Finish Six-Flute Countersinks.
Frequently Asked Questions
What is a KEO 55590-TiN countersink used for?
The KEO 55590-TiN is a 110°, 6-flute countersink designed for producing smooth, burr-free chamfers on drilled holes in metal. Its TiN-coated cobalt construction suits high-speed machining of steel, stainless steel, and other alloys in industrial manufacturing and tool-and-die work.
What are the specifications of the KEO 55590-TiN countersink?
This KEO countersink has a 110° included angle, 6 flutes, and a 7/8 in body diameter. It features a TiN (titanium nitride) coating on cobalt steel for heat resistance and extended tool life. The manufacturer part number is 55590-TiN.
Where to buy KEO countersinks worldwide?
3G Electric supplies KEO countersinks like the 55590-TiN to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other KEO cutting tools.
How to select the right KEO countersink for my application?
Match the countersink angle (e.g., 110°) to your fastener's head angle. Choose flute count based on finish: 6-flute designs like the KEO 55590-TiN minimize chatter for smooth surfaces. TiN coating improves tool life in abrasive materials. Confirm body diameter fits your toolholder.
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.
