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KEO Counterbore: For 5/16" Screw, 15/32 in Bore Dia, 0.312 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For 5/16" Screw, 15/32 in Bore Dia, 0.312 in Pilot Dia

The KEO Built-in-Pilot Counterbore is a standard cobalt tool designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. Manufactured by KEO (MPN 902-000-019), this counterbore is…

SKU 3G-OTH-202232

Brand
KEO
Item
Counterbore: For 5/16" Screw, 15/32 in Bore Dia, 0.312 in Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-019
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Built-in-Pilot Counterbore is a standard cobalt tool designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. Manufactured by KEO (MPN 902-000-019), this counterbore is intended for industrial machining applications requiring precise countersinking.

Frequently Asked Questions

What is the KEO Counterbore 902-000-019 used for?

The KEO Counterbore 902-000-019 is used in industrial machining to create a flat-bottomed recess for a 5/16" screw head, ensuring flush assembly. It is suitable for precision countersinking in metalworking applications where a standard cobalt tool with a built-in pilot is required.

What are the specifications of the KEO Counterbore 902-000-019?

The KEO Counterbore 902-000-019 is a standard built-in-pilot counterbore for 5/16" screws. It has a 15/32 in bore diameter and a 0.312 in pilot diameter. The tool is made from cobalt and is manufactured by KEO under MPN 902-000-019.

Where to buy the KEO Counterbore 902-000-019 worldwide?

You can source the KEO Counterbore 902-000-019 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.

How to select the correct KEO counterbore for a 5/16" screw?

To select the correct KEO counterbore for a 5/16" screw, match the bore diameter to the screw head size and ensure the pilot diameter fits the existing hole. The KEO 902-000-019 features a 15/32 in bore and 0.312 in pilot, designed for standard machining with cobalt tools.

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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