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KEO Built-in-Pilot Counterbore - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore

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

Also listed as: 902000031 · 902 000 031

Brand
KEO
Item
Built-in-Pilot Counterbore
Part Number
902-000-031
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-031KEO
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Local availability & support — Singapore

Local office
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Phone
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Technical Specifications

KEO
Manufacturer Part Number
902-000-031

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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.

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
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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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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