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KEO Counterbore: For #4 Screw, 1/32" Oversized, 7/32 in Bore Dia, 0.143 in Pilot Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For #4 Screw, 1/32" Oversized, 7/32 in Bore Dia, 0.143 in Pilot Dia

The KEO Counterbore: For #4 Screw is an oversized built-in-pilot counterbore from KEO, with a 1/32" oversized specification. It features a 7/32 in bore diameter and a 0.143 in pilot diameter, constructed from cobalt…

SKU 3G-OTH-184232

Brand
KEO
Item
Counterbore: For #4 Screw, 1/32" Oversized, 7/32 in Bore Dia, 0.143 in Pilot Dia
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-003
Type
Cobalt
Bore Dia
7/32 in
Oversized
1/32"
Pilot Dia
0.143 in
Counterbore Type
Oversized
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Counterbore: For #4 Screw is an oversized built-in-pilot counterbore from KEO, with a 1/32" oversized specification. It features a 7/32 in bore diameter and a 0.143 in pilot diameter, constructed from cobalt. This product is identified by manufacturer part number 902-000-003.

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 #4 screw head, accommodating a 1/32" oversized fit. It is commonly applied in metalworking and machining operations where precise screw seating is required, particularly in tool and die making or industrial assembly.

What are the specifications of the KEO counterbore 902-000-003?

The KEO counterbore 902-000-003 has a 7/32 in bore diameter and a 0.143 in pilot diameter. It is made from cobalt, is oversized by 1/32", and is designed for #4 screws. The counterbore type is oversized built-in-pilot, and the manufacturer part number is 902-000-003.

Where to buy KEO counterbore 902-000-003 worldwide?

You can source the KEO counterbore 902-000-003 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this KEO tool to procurement teams internationally.

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 body diameter (0.143 in for this model) and ensure the bore diameter (7/32 in) accommodates the screw head. The 1/32" oversized option provides clearance for fit. Always verify the screw size and material compatibility before ordering.

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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