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KEO Counterbore: For 5/8" Screw, 15/16 in Bore Dia, 0.625 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For 5/8" Screw, 15/16 in Bore Dia, 0.625 in Pilot Dia

The KEO Built-in-Pilot Counterbore (MPN 902-000-031) is a standard-type cutting tool designed for 5/8" screws. It features a 15/16 in bore diameter and a 0.625 in pilot diameter, constructed from cobalt material.

SKU 3G-OTH-202248

Brand
KEO
Item
Counterbore: For 5/8" Screw, 15/16 in Bore Dia, 0.625 in Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-031
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Built-in-Pilot Counterbore (MPN 902-000-031) is a standard-type cutting tool designed for 5/8" screws. It features a 15/16 in bore diameter and a 0.625 in pilot diameter, constructed from cobalt material.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a KEO counterbore used for?

A KEO counterbore creates a flat-bottomed recess for a bolt head or nut, allowing it to sit flush with or below the workpiece surface. This standard-type tool is designed for 5/8" screws and is commonly used in metalworking and machining applications across industrial sectors.

What are the specifications of the KEO 902-000-031 counterbore?

The KEO 902-000-031 is a standard built-in-pilot counterbore for 5/8" screws. It has a 15/16 in bore diameter and a 0.625 in pilot diameter, made from cobalt material. This tool is suitable for creating precise recesses in steel and other alloys.

Where to buy KEO counterbores worldwide?

3G Electric supplies KEO counterbores like the 902-000-031 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this standard-type cobalt cutting tool.

How to select the correct KEO counterbore size?

Select a KEO counterbore by matching the bore diameter to the screw head size and the pilot diameter to the existing hole. For a 5/8" screw, use a 15/16 in bore with a 0.625 in pilot. Ensure the tool material—cobalt for this model—suits your workpiece hardness.

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 built-in-pilot counterbores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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