We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 is a built-in-pilot counterbore designed for 1/4" screws, featuring a 3/8 in bore diameter and a 0.25 in pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by…

SKU 3G-OTH-202301

Also listed as: 902000117 · 902 000 117

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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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
902-000-117
Type
TiN 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 is a built-in-pilot counterbore designed for 1/4" screws, featuring a 3/8 in bore diameter and a 0.25 in pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by manufacturer part number 902-000-117. It is a precision cutting tool from KEO for creating recessed holes.

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 recessed flat-bottomed hole so a bolt or screw head sits flush with or below the workpiece surface. This built-in-pilot counterbore for 1/4" screws is used in metalworking and machining applications where precision fastener seating is required.

What are the specifications of the KEO counterbore 902-000-117?

The KEO counterbore 902-000-117 has a 3/8 in bore diameter and a 0.25 in pilot diameter. It is a standard tool made from TiN coated cobalt, designed for 1/4" screws. The coating improves wear resistance and tool life in industrial machining operations.

Where to buy KEO counterbore 902-000-117 worldwide?

3G Electric supplies the KEO counterbore 902-000-117 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact our team to source this precision cutting tool for your machining requirements.

How to select the correct KEO counterbore for a screw?

Select a KEO counterbore where the pilot diameter matches the existing hole and the bore diameter matches the screw head size. For a 1/4" screw, use a counterbore with a 0.25 in pilot and 3/8 in bore. Ensure the tool coating suits your workpiece material for optimal performance.

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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