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KEO Counterbore: For 3/8" Screw, 37/64 in Bore Dia, 0.375 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For 3/8" Screw, 37/64 in Bore Dia, 0.375 in Pilot Dia

The KEO Counterbore is a built-in-pilot counterbore designed for use with a 3/8" screw. It features a 37/64 in bore diameter and a 0.375 in pilot diameter, with a TiN coated cobalt construction. This standard-type…

SKU 3G-OTH-202237

Also listed as: 902000135 · 902 000 135

Brand
KEO
Item
Counterbore: For 3/8" Screw, 37/64 in Bore Dia, 0.375 in Pilot Dia
Category
Built-in-Pilot Counterbores
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
902-000-135
Type
TiN Coated Cobalt
Bore Dia
37/64 in
Pilot Dia
0.375 in

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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 use with a 3/8" screw. It features a 37/64 in bore diameter and a 0.375 in pilot diameter, with a TiN coated cobalt construction. This standard-type tool is manufactured by KEO under part number 902-000-135.

Frequently Asked Questions

What is the KEO Counterbore 902-000-135 used for?

The KEO Counterbore is a built-in-pilot tool used to create a flat-bottomed recess for a 3/8" screw head, ensuring flush assembly in metalworking and machining applications. Its TiN coated cobalt construction provides wear resistance for extended tool life.

What are the specifications of the KEO Counterbore 902-000-135?

This KEO Counterbore has a 37/64 in bore diameter, a 0.375 in pilot diameter, and is designed for a 3/8" screw. It is a standard-type tool with TiN coated cobalt construction, manufactured by KEO under part number 902-000-135.

Where to buy the KEO Counterbore 902-000-135 worldwide?

3G Electric supplies the KEO Counterbore 902-000-135 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 machining needs.

How to select the correct KEO Counterbore for a 3/8" screw?

Select a counterbore with a pilot diameter matching the screw's clearance hole and a bore diameter matching the screw head. For a 3/8" screw, the KEO 902-000-135 uses a 0.375 in pilot and 37/64 in bore. Always verify the tool's standard type and coating for your material.

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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Cross-referenced by specification & description
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