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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 Built-in-Pilot Counterbore is a standard-type cutting tool designed for 3/8" screws, featuring a 37/64 in bore diameter and a 0.375 in pilot diameter. This AlTiN coated cobalt counterbore, manufactured by KEO…

SKU 3G-OTH-202238

Also listed as: 902000312 · 902 000 312

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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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
902-000-312
Type
AlTiN Coated Cobalt
Bore Dia
37/64 in
Pilot Dia
0.375 in

Technical Documents

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

Product Description

The KEO Built-in-Pilot Counterbore is a standard-type cutting tool designed for 3/8" screws, featuring a 37/64 in bore diameter and a 0.375 in pilot diameter. This AlTiN coated cobalt counterbore, manufactured by KEO under part number 902-000-312, is used for creating recessed holes in industrial applications.

Frequently Asked Questions

What is the KEO Counterbore 902-000-312 used for?

The KEO Counterbore 902-000-312 is a built-in-pilot cutting tool used to create recessed holes for 3/8" screws in industrial workpieces. It is commonly applied in metalworking and machining operations where a flat-bottomed counterbore is needed to seat screw heads flush with or below the surface.

What are the specifications of the KEO Counterbore 902-000-312?

This KEO counterbore has a 37/64 in bore diameter and a 0.375 in pilot diameter. It is a standard-type tool with AlTiN coated cobalt construction, designed for 3/8" screws. The manufacturer part number is 902-000-312, and it is produced by KEO.

Where to buy the KEO Counterbore 902-000-312 worldwide?

You can source the KEO Counterbore 902-000-312 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this KEO cutting tool.

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

To select the correct KEO counterbore for a 3/8" screw, match the pilot diameter to the screw's body diameter (0.375 in) and the bore diameter to the screw head size (37/64 in). Ensure the tool is a standard type with AlTiN coating for extended tool life in ferrous 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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