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KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia

The KEO Counterbore (MPN 902-000-054) is a standard built-in-pilot counterbore designed for M5 screws, featuring a 10 mm bore diameter and a 5.5 mm pilot diameter, constructed from cobalt. This tool is manufactured…

SKU 3G-OTH-202275

Brand
KEO
Item
Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-054
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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Counterbore (MPN 902-000-054) is a standard built-in-pilot counterbore designed for M5 screws, featuring a 10 mm bore diameter and a 5.5 mm pilot diameter, constructed from cobalt. This tool is manufactured by KEO.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the KEO Counterbore 902-000-054 used for?

The KEO Counterbore 902-000-054 is used to create a flat-bottomed recess for M5 screw heads in metal or plastic workpieces. It is commonly applied in machining and assembly operations where a flush screw fit is required, such as in jigs, fixtures, and industrial equipment.

What are the specifications of the KEO Counterbore 902-000-054?

The KEO Counterbore 902-000-054 is a standard built-in-pilot counterbore for M5 screws. It has a 10 mm bore diameter and a 5.5 mm pilot diameter, and is made from cobalt. The manufacturer part number is 902-000-054, and it is produced by KEO.

Where to buy the KEO Counterbore 902-000-054 worldwide?

You can source the KEO Counterbore 902-000-054 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct KEO counterbore for M5 screws?

To select the correct KEO counterbore for M5 screws, ensure the pilot diameter matches the screw's clearance hole (5.5 mm for M5) and the bore diameter matches the screw head size (10 mm). The KEO 902-000-054 is a standard cobalt option for this application.

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 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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