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KEO Counterbore: For 1/4" Screw, 1/32" Oversized, 13/32 in Bore Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For 1/4" Screw, 1/32" Oversized, 13/32 in Bore Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1/4" screws. It features a 1/32" oversized bore with a 13/32 in bore diameter and a 0.281 in pilot diameter, identified by manufacturer part…

SKU 3G-OTH-184340

Also listed as: 902000123 · 902 000 123

Brand
KEO
Item
Counterbore: For 1/4" Screw, 1/32" Oversized, 13/32 in Bore Dia
Category
Oversized 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
902-000-123
Bore Dia
13/32 in
Oversized
1/32"
Pilot Dia
0.281 in
Counterbore Type
Oversized

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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 1/4" screws. It features a 1/32" oversized bore with a 13/32 in bore diameter and a 0.281 in pilot diameter, identified by manufacturer part number 902-000-123.

Frequently Asked Questions

What is the KEO Counterbore 902-000-123 used for?

The KEO Counterbore 902-000-123 is used to create a flat-bottomed recess for a 1/4" screw head in metalworking and machining applications. Its oversized 1/32" bore and built-in pilot ensure precise alignment and clearance for screw heads in industrial assembly and maintenance tasks.

What are the specifications of the KEO Counterbore 902-000-123?

The KEO Counterbore 902-000-123 is an oversized built-in-pilot counterbore for 1/4" screws. It has a 13/32 in bore diameter and a 0.281 in pilot diameter. The manufacturer part number is 902-000-123, and it is made by KEO.

Where to buy the KEO Counterbore 902-000-123 worldwide?

You can source the KEO Counterbore 902-000-123 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor. Contact us for availability and lead time.

How to select the correct KEO Counterbore for a 1/4" screw?

To select the correct KEO Counterbore for a 1/4" screw, match the pilot diameter to the screw's clearance hole and the bore diameter to the screw head size. The 902-000-123 model features a 0.281 in pilot and a 13/32 in bore, with a 1/32" oversized design for added clearance.

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 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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Cross-referenced by specification & description
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KEO Counterbore: For 3/8" Screw, 1/64" Oversized, 19/32 in Bore Dia, 0.39 in Pilot Dia (MPN 902-000-138)
KEO Counterbore: For 3/4" Screw, 1/32" Oversized, 1 13/64 in Bore Dia, 0.781 in Pilot Dia (MPN 902-000-174)
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KEO Counterbore: For 3/4" Screw, 1/32" Oversized, 1 13/64 in Bore Dia, 0.781 in Pilot Dia (MPN 902-000-174)
KEO Counterbore: For 1/4" Screw, 1/32" Oversized, 13/32 in Bore Dia, 0.281 in Pilot Dia (MPN 902-000-316)
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KEO Counterbore: For 1/4" Screw, 1/32" Oversized, 13/32 in Bore Dia, 0.281 in Pilot Dia (MPN 902-000-316)

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