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KEO Built-in-Pilot Counterbore for #4 Screws - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore for #4 Screws

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
Built-in-Pilot Counterbore for #4 Screws
Part Number
902-000-001
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-001KEO
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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
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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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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