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KEO Counterbore: For 1/4" Screw, 3/8 in Bore Dia, 0.25 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For 1/4" Screw, 3/8 in Bore Dia, 0.25 in Pilot Dia

The KEO Counterbore: For 1/4" Screw is a built-in-pilot counterbore from KEO, designed for use with 1/4" screws. It features a 3/8 in bore diameter, a 0.25 in pilot diameter, and an AlTiN coated cobalt construction…

SKU 3G-OTH-202230

Also listed as: 902000318 · 902 000 318

Brand
KEO
Item
Counterbore: For 1/4" Screw, 3/8 in Bore Dia, 0.25 in Pilot Dia
Category
Built-in-Pilot Counterbores
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

KEO
Manufacturer Part Number
902-000-318
Type
AlTiN Coated Cobalt
Bore Dia
3/8 in
Pilot Dia
0.25 in

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Counterbore: For 1/4" Screw is a built-in-pilot counterbore from KEO, designed for use with 1/4" screws. It features a 3/8 in bore diameter, a 0.25 in pilot diameter, and an AlTiN coated cobalt construction. This standard-type tool is identified by manufacturer part number 902-000-318.

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 fastener head, such as a 1/4" screw, to sit flush with or below the surface. This built-in-pilot counterbore is common in metalworking and machining applications where a clean, recessed finish is required.

What are the specifications of the KEO counterbore 902-000-318?

The KEO counterbore 902-000-318 is designed for 1/4" screws, with a 3/8 in bore diameter and a 0.25 in pilot diameter. It features an AlTiN coated cobalt construction and is classified as a standard type. The manufacturer part number is 902-000-318.

Where to buy KEO counterbore 902-000-318 worldwide?

You can source the KEO counterbore 902-000-318 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this KEO tool.

How to select the right KEO counterbore for a 1/4" screw?

To select the right KEO counterbore for a 1/4" screw, match the pilot diameter to the screw's clearance hole and the bore diameter to the screw head size. For the 902-000-318, the 0.25 in pilot and 3/8 in bore are designed for 1/4" screws. Always verify the tool's coating and material, such as AlTiN coated cobalt, for your workpiece.

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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