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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 902-000-028) 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

Also listed as: 902000028 · 902 000 028

Brand
KEO
Item
Built-in-Pilot Counterbore
Part Number
902-000-028
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-028KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

KEO
Manufacturer Part Number
902-000-028

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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.

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
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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