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KEO 902-000-225 Built-in-Pilot Counterbore - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO 902-000-225 Built-in-Pilot Counterbore

The KEO Counterbore is a built-in-pilot counterbore designed for M5 screws, featuring a 10 mm bore diameter and a 4.2 mm pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by…

SKU 3G-OTH-202272

Also listed as: 902000225 · 902 000 225

Brand
KEO
Item
902-000-225 Built-in-Pilot Counterbore
Category
Built-in-Pilot Counterbores
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

KEO
Manufacturer Part Number
902-000-225
Type
TiN Coated Cobalt
Bore Dia
10 mm
Pilot Dia
4.2 mm

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Counterbore is a built-in-pilot counterbore designed for M5 screws, featuring a 10 mm bore diameter and a 4.2 mm pilot diameter. This standard tool is constructed from TiN coated cobalt, as indicated by manufacturer part number 902-000-225.

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 902-000-225 used for?

The KEO Counterbore 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 jig and fixture building or general industrial fabrication.

What are the specifications of the KEO Counterbore 902-000-225?

This built-in-pilot counterbore is designed for M5 screws, with a 10 mm bore diameter and a 4.2 mm pilot diameter. It is a standard tool made from TiN coated cobalt, manufactured by KEO under part number 902-000-225.

Where to buy the KEO Counterbore 902-000-225 worldwide?

3G Electric supplies the KEO Counterbore 902-000-225 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this tool for your operations.

How to select the correct KEO counterbore for M5 screws?

Select a counterbore with a bore diameter matching the screw head size and a pilot diameter that fits the existing hole. For M5 screws, the KEO 902-000-225 with a 10 mm bore and 4.2 mm pilot is appropriate. Always verify the tool's coating and material compatibility with your workpiece.

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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Cross-referenced by specification & description
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-231)
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KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-231)
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-228)
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KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-228)
KEO Counterbore: For M10 Screw, 18 mm Bore Dia, 11 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-258)
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KEO Counterbore: For M10 Screw, 18 mm Bore Dia, 11 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-258)
This built-in-pilot counterbore creates a flat-bottomed recess for M4 screw heads. It is used in machining and assembly operations to achieve a flush screw fit in metal or plastic workpieces. The tool is made from TiN coated cobalt for wear resistance
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This built-in-pilot counterbore creates a flat-bottomed recess for M4 screw heads. It is used in machining and assembly operations to achieve a flush screw fit in metal or plastic workpieces. The tool is made from TiN coated cobalt for wear resistance
This KEO counterbore is a standard-type tool for creating flat-bottomed recesses for M6 screw heads. It features an 11 mm bore diameter and a 5 mm pilot diameter, with TiN coated cobalt construction. Suitable for metalworking applications requiring precise alignment and extended tool life
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This KEO counterbore is a standard-type tool for creating flat-bottomed recesses for M6 screw heads. It features an 11 mm bore diameter and a 5 mm pilot diameter, with TiN coated cobalt construction. Suitable for metalworking applications requiring precise alignment and extended tool life
Built-in-pilot counterbore for creating flat-bottomed recesses for M4 screw heads. Features a 3.3 mm pilot diameter and 8 mm bore diameter. Constructed from TiN coated cobalt for wear resistance. Used in metalworking and machining applications requiring precise fastener seating
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Built-in-pilot counterbore for creating flat-bottomed recesses for M4 screw heads. Features a 3.3 mm pilot diameter and 8 mm bore diameter. Constructed from TiN coated cobalt for wear resistance. Used in metalworking and machining applications requiring precise fastener seating

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Standard built-in-pilot counterbore designed for M10 screws. Features an 18 mm bore diameter and an 8.5 mm pilot diameter. Constructed from cobalt. Used in machining to create flat-bottomed recesses for screw heads, ensuring flush assembly
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Standard built-in-pilot counterbore designed for M10 screws. Features an 18 mm bore diameter and an 8.5 mm pilot diameter. Constructed from cobalt. Used in machining to create flat-bottomed recesses for screw heads, ensuring flush assembly
This built-in-pilot counterbore is made of AlTiN coated cobalt, with a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is used to create a flat-bottomed recess for screw heads, typically in metalworking and machining applications where accurate alignment with an existing hole is required
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This built-in-pilot counterbore is made of AlTiN coated cobalt, with a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is used to create a flat-bottomed recess for screw heads, typically in metalworking and machining applications where accurate alignment with an existing hole is required
Built-in-pilot counterbore for creating flat-bottomed recesses for screw heads in metalworking. Features a 13/64 in bore diameter and 0.125 in pilot diameter. Constructed from AlTiN coated cobalt for enhanced wear resistance. Suitable for use with #5 screws in machining and fabrication applications
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Built-in-pilot counterbore for creating flat-bottomed recesses for screw heads in metalworking. Features a 13/64 in bore diameter and 0.125 in pilot diameter. Constructed from AlTiN coated cobalt for enhanced wear resistance. Suitable for use with #5 screws in machining and fabrication applications
This built-in-pilot counterbore is designed for use with 1/4 in screws. It features a 3/8 in bore diameter and a 0.25 in pilot diameter, with an AlTiN coated cobalt construction. Used in machining to create a flat-bottomed recess for fastener heads to sit flush or below the workpiece surface
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This built-in-pilot counterbore is designed for use with 1/4 in screws. It features a 3/8 in bore diameter and a 0.25 in pilot diameter, with an AlTiN coated cobalt construction. Used in machining to create a flat-bottomed recess for fastener heads to sit flush or below the workpiece surface
Built-in-pilot counterbore for creating flat-bottomed recesses to seat screw heads flush with or below the workpiece surface. Features a 15/16 in bore diameter and 0.625 in pilot diameter, constructed from AlTiN coated cobalt. Suitable for use with 5/8 in screws in metalworking and machining operations
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Built-in-pilot counterbore for creating flat-bottomed recesses to seat screw heads flush with or below the workpiece surface. Features a 15/16 in bore diameter and 0.625 in pilot diameter, constructed from AlTiN coated cobalt. Suitable for use with 5/8 in screws in metalworking and machining operations
Cobalt counterbore with integral pilot for creating flat-bottomed recesses for M12 screw heads. Features a 20 mm bore diameter and 13 mm pilot diameter. The built-in pilot aligns with a pre-drilled hole to ensure accurate counterboring in metalworking applications
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Cobalt counterbore with integral pilot for creating flat-bottomed recesses for M12 screw heads. Features a 20 mm bore diameter and 13 mm pilot diameter. The built-in pilot aligns with a pre-drilled hole to ensure accurate counterboring in metalworking applications
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This built-in-pilot counterbore is designed for M6 screws, with an 11 mm bore diameter and a 5 mm pilot diameter. Constructed from cobalt, it is used to create flat-bottomed recesses for screw heads in metalworking and machining applications