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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 1/32" oversized bore diameter of 39/64 inches and a pilot diameter of 0.406 inches, constructed from cobalt. This…

SKU 3G-OTH-184276

Also listed as: 902000024 · 902 000 024

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore
Part Number
902-000-024
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-024KEO
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Local office
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Phone
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Technical Specifications

KEO
Manufacturer Part Number
902-000-024
Type
Cobalt
Bore Dia
39/64 in
Pilot Dia
0.406 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 1/32" oversized bore diameter of 39/64 inches and a pilot diameter of 0.406 inches, constructed from cobalt. This tool is identified by manufacturer part number 902-000-024.

Frequently Asked Questions

What is the KEO oversized counterbore used for?

The KEO oversized counterbore is used to create a flat-bottomed recess for a 3/8" screw head in metalworking. Its built-in pilot aligns with an existing hole, and the 1/32" oversized bore provides clearance for screw heads that require a slightly larger pocket than standard.

What are the specifications of the KEO counterbore 902-000-024?

This KEO counterbore has a 39/64 in bore diameter, 0.406 in pilot diameter, and is 1/32" oversized for 3/8" screws. It is made from cobalt for heat resistance and durability. The manufacturer part number is 902-000-024.

Where to buy KEO counterbore tools worldwide?

3G Electric supplies KEO counterbore tools worldwide. We handle full logistics and customs clearance to deliver industrial cutting tools like this oversized built-in-pilot counterbore to your facility. Contact us for pricing and lead time on the 902-000-024.

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

Select an oversized counterbore like this KEO model when the screw head needs extra clearance. Match the pilot diameter to the existing hole (0.406 in here) and confirm the bore diameter (39/64 in) accommodates the screw head. Cobalt construction suits 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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