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KEO Countersink: 90°, 3 Flute, 1/4 in Body Dia - General Purpose Three-Flute Countersinks
KEOGeneral Purpose Three-Flute Countersinks

KEO Countersink: 90°, 3 Flute, 1/4 in Body Dia

SKU 3G-OTH-184971

Brand
KEO
Item
Countersink: 90°, 3 Flute, 1/4 in Body Dia
Category
General Purpose Three-Flute Countersinks
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Technical Specifications

KEO
Manufacturer Part Number
917-000-979
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a KEO 90° 3-flute countersink used for?

This KEO countersink creates 90° chamfered holes in metal, plastic, or wood for deburring and screw seating. Its 3-flute design provides smooth cutting with reduced chatter, ideal for general-purpose machining and maintenance work across industrial departments.

What are the specifications of the KEO 917-000-979 countersink?

The KEO 917-000-979 is a 90° countersink with 3 flutes, a 1/4 in body diameter, and AlTiN-coated high-speed steel construction. The coating extends tool life in abrasive materials. It is a general-purpose three-flute countersink from KEO.

Where to buy KEO countersink 917-000-979 worldwide?

3G Electric supplies the KEO 917-000-979 countersink to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this general-purpose three-flute countersink.

How to select the right KEO countersink for my application?

Match the countersink angle (90° for standard screw heads) and body diameter to your hole size. For harder materials, AlTiN coating like on this KEO tool reduces wear. Use proper RPM and lubrication per material type to achieve clean chamfers without chatter.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO 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.

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