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KEO Built-in-Pilot Counterbore for M6 Screws, 11 mm Bore, 6.6 mm Pilot, Cobalt - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore for M6 Screws, 11 mm Bore, 6.6 mm Pilot, Cobalt

The KEO Counterbore (MPN 902-000-057) is a standard Built-in-Pilot Counterbore designed for M6 screws, featuring an 11 mm bore diameter and a 6.6 mm pilot diameter, constructed from cobalt. This tool is manufactured…

SKU 3G-OTH-202279

Also listed as: 902000057 · 902 000 057

Brand
KEO
Item
Built-in-Pilot Counterbore for M6 Screws, 11 mm Bore, 6.6 mm Pilot, Cobalt
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
902-000-057

Technical Documents

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

Product Description

The KEO Counterbore (MPN 902-000-057) is a standard Built-in-Pilot Counterbore designed for M6 screws, featuring an 11 mm bore diameter and a 6.6 mm pilot diameter, constructed from cobalt. This tool is manufactured by KEO and is intended for industrial counterboring applications.

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 902-000-057 used for?

The KEO Counterbore 902-000-057 is used to create a flat-bottomed recess for M6 screw heads in metal or plastic workpieces. It is a standard built-in-pilot counterbore with an 11 mm bore diameter and a 6.6 mm pilot diameter, made from cobalt for durability in industrial applications.

What are the specifications of the KEO Counterbore 902-000-057?

The KEO Counterbore 902-000-057 is a standard built-in-pilot counterbore for M6 screws. It has an 11 mm bore diameter and a 6.6 mm pilot diameter, constructed from cobalt. The manufacturer part number is 902-000-057, and it is designed for industrial counterboring tasks.

Where to buy the KEO Counterbore 902-000-057 worldwide?

You can source the KEO Counterbore 902-000-057 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 on this standard built-in-pilot counterbore.

How to select the correct KEO counterbore for M6 screws?

To select the correct KEO counterbore for M6 screws, ensure the pilot diameter matches the screw's clearance hole (6.6 mm for M6) and the bore diameter matches the screw head size (11 mm). The KEO 902-000-057 is a standard cobalt option for this application. Verify your workpiece material and required depth 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Cobalt counterbore with integral pilot for creating flat-bottomed recesses for M6 screw heads. 11 mm bore diameter, 6.4 mm pilot diameter. Used in machining operations to achieve flush screw fits in metal or plastic workpieces
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Cobalt counterbore with integral pilot for creating flat-bottomed recesses for M6 screw heads. 11 mm bore diameter, 6.4 mm pilot diameter. Used in machining operations to achieve flush screw fits in metal or plastic workpieces
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
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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
Built-in-pilot counterbore for creating flat-bottomed recesses for M6 screw heads. Features 11 mm bore diameter and 6.4 mm pilot diameter. Constructed from TiN coated cobalt for wear resistance. Used in metalworking and machining operations requiring precise fastener seating
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Built-in-pilot counterbore for creating flat-bottomed recesses for M6 screw heads. Features 11 mm bore diameter and 6.4 mm pilot diameter. Constructed from TiN coated cobalt for wear resistance. Used in metalworking and machining operations requiring precise fastener seating
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
This built-in-pilot counterbore creates a flat-bottomed recess for socket-head cap screws. The integral pilot aligns with an existing hole for accurate countersinking. Constructed from TiN coated cobalt for wear resistance
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This built-in-pilot counterbore creates a flat-bottomed recess for socket-head cap screws. The integral pilot aligns with an existing hole for accurate countersinking. Constructed from TiN coated cobalt for wear resistance
This built-in-pilot counterbore is designed for M3.5 screws, with a 6.5 mm bore diameter and a 2.9 mm pilot diameter. Made from cobalt, it is used in precision counterboring operations to create flat-bottomed recesses for screw heads in metalworking and machining applications
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This built-in-pilot counterbore is designed for M3.5 screws, with a 6.5 mm bore diameter and a 2.9 mm pilot diameter. Made from cobalt, it is used in precision counterboring operations to create flat-bottomed recesses for screw heads in metalworking and machining applications

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This KEO built-in-pilot counterbore is designed for use with 1/4 in screws, featuring a 3/8 in bore diameter and a 0.25 in pilot diameter. Constructed from cobalt, it creates a flat-bottomed recess for bolt heads or screws to sit flush with or below the workpiece surface. Suitable for general machining and metalworking applications requiring precise counterboring operations
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This KEO built-in-pilot counterbore is designed for use with 1/4 in screws, featuring a 3/8 in bore diameter and a 0.25 in pilot diameter. Constructed from cobalt, it creates a flat-bottomed recess for bolt heads or screws to sit flush with or below the workpiece surface. Suitable for general machining and metalworking applications requiring precise counterboring operations
Built-in-pilot counterbore for creating flat-bottomed recesses for socket-head cap screws. Features a 20 mm bore diameter and 14 mm pilot diameter. Constructed from TiN coated cobalt for wear resistance. Commonly used in machining, fixture building, and industrial assembly
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Built-in-pilot counterbore for creating flat-bottomed recesses for socket-head cap screws. Features a 20 mm bore diameter and 14 mm pilot diameter. Constructed from TiN coated cobalt for wear resistance. Commonly used in machining, fixture building, and industrial assembly
This built-in-pilot counterbore is designed for M3.5 screws, with a 6.5 mm bore diameter and a 3.7 mm pilot diameter. Made from cobalt, it creates recessed cylindrical holes for screw heads in machining and metalworking applications
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This built-in-pilot counterbore is designed for M3.5 screws, with a 6.5 mm bore diameter and a 3.7 mm pilot diameter. Made from cobalt, it creates recessed cylindrical holes for screw heads in machining and metalworking applications
This KEO counterbore is a standard-type cutting tool designed for 5/8" screws. It features a 15/16 in bore diameter and a 0.625 in pilot diameter, constructed from cobalt material. Used in metalworking and machining to create flat-bottomed recesses for bolt heads or nuts, allowing them to sit flush with or below the workpiece surface
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This KEO counterbore is a standard-type cutting tool designed for 5/8" screws. It features a 15/16 in bore diameter and a 0.625 in pilot diameter, constructed from cobalt material. Used in metalworking and machining to create flat-bottomed recesses for bolt heads or nuts, allowing them to sit flush with or below the workpiece surface
This built-in-pilot counterbore is designed for #10 screws, with a 5/16 in bore diameter and a 0.19 in pilot diameter. Made from cobalt, it is used in machining operations to create recessed holes for screw heads, with the built-in pilot ensuring alignment. Typical applications include industrial machining of steel and cast iron
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This built-in-pilot counterbore is designed for #10 screws, with a 5/16 in bore diameter and a 0.19 in pilot diameter. Made from cobalt, it is used in machining operations to create recessed holes for screw heads, with the built-in pilot ensuring alignment. Typical applications include industrial machining of steel and cast iron
This built-in-pilot counterbore is designed for creating flat-bottomed recesses for M4 screw heads. The 8 mm bore diameter and 3.3 mm pilot diameter ensure concentric alignment with pre-drilled holes. Constructed from cobalt, it is suitable for counterboring in metal and plastic parts in machining and fabrication applications
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This built-in-pilot counterbore is designed for creating flat-bottomed recesses for M4 screw heads. The 8 mm bore diameter and 3.3 mm pilot diameter ensure concentric alignment with pre-drilled holes. Constructed from cobalt, it is suitable for counterboring in metal and plastic parts in machining and fabrication applications
This standard-type counterbore creates a flat-bottomed recess for 3/8" screw heads, allowing them to sit flush with or below the workpiece surface. It features a 37/64 in bore diameter and a 0.375 in pilot diameter, constructed from cobalt material. Suitable for general metalworking and machining applications requiring precision countersinking
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This standard-type counterbore creates a flat-bottomed recess for 3/8" screw heads, allowing them to sit flush with or below the workpiece surface. It features a 37/64 in bore diameter and a 0.375 in pilot diameter, constructed from cobalt material. Suitable for general metalworking and machining applications requiring precision countersinking
This counterbore features a built-in pilot for alignment and is made from TiN coated cobalt for wear resistance. It has a 15/32 in bore diameter and a 0.312 in pilot diameter. Used in machining to create recessed flat-bottom holes for screw heads to sit flush with the workpiece surface
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This counterbore features a built-in pilot for alignment and is made from TiN coated cobalt for wear resistance. It has a 15/32 in bore diameter and a 0.312 in pilot diameter. Used in machining to create recessed flat-bottom holes for screw heads to sit flush with the workpiece surface