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KEO Counterbore: For #4 Screw, 3/16 in Bore Dia, 0.112 in Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For #4 Screw, 3/16 in Bore Dia, 0.112 in Pilot Dia

The KEO Counterbore is a built-in-pilot counterbore designed for #4 screws, featuring a 3/16 in bore diameter and a 0.112 in pilot diameter, made from cobalt. This standard-type tool, manufactured by KEO under part…

SKU 3G-OTH-202213

Also listed as: 902000001 · 902 000 001

Brand
KEO
Item
Counterbore: For #4 Screw, 3/16 in Bore Dia, 0.112 in Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-001

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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 #4 screws, featuring a 3/16 in bore diameter and a 0.112 in pilot diameter, made from cobalt. This standard-type tool, manufactured by KEO under part number 902-000-001, is used for creating recessed holes for screw heads in industrial applications.

Frequently Asked Questions

What is the KEO Counterbore used for?

The KEO Counterbore is used to create recessed holes for #4 screw heads in industrial metalworking applications. Its built-in pilot aligns the tool with an existing pilot hole, ensuring accurate countersinking for flush screw seating in machining and assembly operations.

What are the specifications of the KEO Counterbore 902-000-001?

The KEO Counterbore 902-000-001 is a standard-type tool for #4 screws, with a 3/16 in bore diameter and a 0.112 in pilot diameter. It is made from cobalt for durability and is manufactured by KEO. This built-in-pilot counterbore is designed for precision recessing in industrial settings.

Where to buy the KEO Counterbore 902-000-001 worldwide?

3G Electric supplies the KEO Counterbore 902-000-001 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this KEO tool for your machining needs.

How to select the correct KEO Counterbore for #4 screws?

To select the correct KEO Counterbore for #4 screws, match the bore diameter to the screw head size and the pilot diameter to the existing hole. For the 902-000-001, use a 3/16 in bore and 0.112 in pilot. Always verify the screw size and material compatibility before ordering.

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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