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KEO Counterbore: For 1/2" Screw, 3/4 in Bore Dia, 0.5 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For 1/2" Screw, 3/4 in Bore Dia, 0.5 in Pilot Dia

The KEO Built-in-Pilot Counterbore (MPN 902-000-028) is a standard cobalt tool designed for 1/2" screws, featuring a 3/4 in bore diameter and a 0.5 in pilot diameter. This product is manufactured by KEO.

SKU 3G-OTH-202244

Brand
KEO
Item
Counterbore: For 1/2" Screw, 3/4 in Bore Dia, 0.5 in Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-028
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Built-in-Pilot Counterbore (MPN 902-000-028) is a standard cobalt tool designed for 1/2" screws, featuring a 3/4 in bore diameter and a 0.5 in pilot diameter. This product is manufactured by KEO.

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 is used to create a flat-bottomed recess in a workpiece, allowing a screw head to sit flush with or below the surface. This built-in-pilot model is designed for 1/2" screws and is commonly applied in metalworking and machining operations where precise fastener seating is required.

What are the specifications of the KEO counterbore 902-000-028?

The KEO counterbore MPN 902-000-028 is a standard cobalt tool with a 3/4 in bore diameter and a 0.5 in pilot diameter, designed for 1/2" screws. It is a built-in-pilot counterbore manufactured by KEO, suitable for general industrial use.

Where to buy KEO counterbore 902-000-028 worldwide?

3G Electric supplies the KEO counterbore 902-000-028 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this tool for your operations.

How to select the right KEO counterbore for a 1/2" screw?

Select a counterbore with a bore diameter matching the screw head size and a pilot diameter that fits the existing hole. For a 1/2" screw, the KEO 902-000-028 with a 3/4 in bore and 0.5 in pilot is a standard choice. Always verify the tool material—cobalt offers durability for harder materials.

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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