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KEO Oversized Built-in-Pilot Counterbore for #4 Screws - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Oversized Built-in-Pilot Counterbore for #4 Screws

The KEO Counterbore is an oversized built-in-pilot counterbore designed for #4 screws. It features a 1/64" oversized bore diameter of 13/64 inches and a pilot diameter of 0.127 inches, identified by manufacturer part…

SKU 3G-OTH-184333

Also listed as: 902000332 · 902 000 332

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore for #4 Screws
Part Number
902-000-332
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-332KEO
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Local office
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Phone
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Technical Specifications

KEO
Manufacturer Part Number
902-000-332
Bore Dia
13/64 in
Pilot Dia
0.127 in

Technical Documents

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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 #4 screws. It features a 1/64" oversized bore diameter of 13/64 inches and a pilot diameter of 0.127 inches, identified by manufacturer part number 902-000-332.

Frequently Asked Questions

What is the KEO Counterbore 902-000-332 used for?

The KEO Counterbore 902-000-332 is an oversized built-in-pilot counterbore used to create a flat-bottomed recess for #4 screw heads in metal or plastic workpieces. It is commonly applied in machining, tool-and-die, and precision assembly operations where a flush or recessed fastener fit is required.

What are the specifications of the KEO Counterbore 902-000-332?

This KEO counterbore has a 13/64 in bore diameter, oversized by 1/64", and a pilot diameter of 0.127 in. It is designed for #4 screws and is classified as an oversized built-in-pilot counterbore. The manufacturer part number is 902-000-332.

Where to buy the KEO Counterbore 902-000-332 worldwide?

3G Electric supplies the KEO Counterbore 902-000-332 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision cutting tool.

How to select the correct KEO counterbore for a #4 screw?

To select the correct KEO counterbore for a #4 screw, match the pilot diameter to the screw's clearance hole and ensure the bore diameter accommodates the screw head. For an oversized fit, choose a counterbore like the 902-000-332 with a 13/64 in bore and 0.127 in pilot. Always verify dimensions against your fastener specifications.

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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