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KEO Oversized Built-in-Pilot Counterbore - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Oversized Built-in-Pilot Counterbore

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 3/8" screws. It features a 1/64" oversized bore diameter of 19/32 inches and a pilot diameter of 0.39 inches, constructed from cobalt. This…

SKU 3G-OTH-184274

Also listed as: 902000023 · 902 000 023

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore
Part Number
902-000-023
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-023KEO
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Local office
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Phone
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Technical Specifications

KEO
Manufacturer Part Number
902-000-023
Type
Cobalt
Bore Dia
19/32 in
Pilot Dia
0.39 in

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

Product Description

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 3/8" screws. It features a 1/64" oversized bore diameter of 19/32 inches and a pilot diameter of 0.39 inches, constructed from cobalt. This tool is identified by manufacturer part number 902-000-023.

Frequently Asked Questions

What is a KEO oversized counterbore used for?

A KEO oversized counterbore creates a flat-bottomed recess for a 3/8" screw head, with a 1/64" oversized bore to provide clearance. It is used in machining operations where a precise, recessed fit is required, typically in metalworking and industrial manufacturing applications.

What are the specifications of the KEO counterbore 902-000-023?

The KEO counterbore 902-000-023 is an oversized built-in-pilot type for 3/8" screws. It has a 19/32 in bore diameter, 0.39 in pilot diameter, and is 1/64" oversized. The tool is made from cobalt and carries manufacturer part number 902-000-023.

Where to buy a KEO counterbore for 3/8" screws worldwide?

3G Electric supplies the KEO counterbore 902-000-023 for worldwide delivery. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this cobalt oversized counterbore to your facility, regardless of location.

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

Select an oversized counterbore like the KEO 902-000-023 by matching the screw size (3/8") and ensuring the bore diameter (19/32 in) provides the desired 1/64" clearance. Verify the pilot diameter (0.39 in) fits your pilot hole, and choose cobalt for heat resistance in harder materials.

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 oversized 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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This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly
KEO
This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly

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