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KEO Built-in-Pilot Counterbore for 5/16" Screw - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore for 5/16" Screw

The KEO Built-in-Pilot Counterbore is a standard cobalt tool designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. Manufactured by KEO (MPN 902-000-019), this counterbore is…

SKU 3G-OTH-202232

Also listed as: 902000019 · 902 000 019

Brand
KEO
Item
Built-in-Pilot Counterbore for 5/16" Screw
Category
Built-in-Pilot Counterbores
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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
902-000-019

Technical Documents

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

Product Description

The KEO Built-in-Pilot Counterbore is a standard cobalt tool designed for 5/16" screws, featuring a 15/32 in bore diameter and a 0.312 in pilot diameter. Manufactured by KEO (MPN 902-000-019), this counterbore is intended for industrial machining applications requiring precise countersinking.

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 902-000-019 used for?

The KEO Counterbore 902-000-019 is used in industrial machining to create a flat-bottomed recess for a 5/16" screw head, ensuring flush assembly. It is suitable for precision countersinking in metalworking applications where a standard cobalt tool with a built-in pilot is required.

What are the specifications of the KEO Counterbore 902-000-019?

The KEO Counterbore 902-000-019 is a standard built-in-pilot counterbore for 5/16" screws. It has a 15/32 in bore diameter and a 0.312 in pilot diameter. The tool is made from cobalt and is manufactured by KEO under MPN 902-000-019.

Where to buy the KEO Counterbore 902-000-019 worldwide?

You can source the KEO Counterbore 902-000-019 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.

How to select the correct KEO counterbore for a 5/16" screw?

To select the correct KEO counterbore for a 5/16" screw, match the bore diameter to the screw head size and ensure the pilot diameter fits the existing hole. The KEO 902-000-019 features a 15/32 in bore and 0.312 in pilot, designed for standard machining with cobalt tools.

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. Designed for 1/2" screws, with 3/4 in bore diameter and 0.5 in pilot diameter. Used in metalworking to allow screw heads to sit flush or below the workpiece surface
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Cobalt counterbore with integral pilot for creating flat-bottomed recesses. Designed for 1/2" screws, with 3/4 in bore diameter and 0.5 in pilot diameter. Used in metalworking to allow screw heads to sit flush or below the workpiece surface
This KEO built-in-pilot counterbore is designed for creating a flat-bottomed recess for a 1" screw head. It features a 1 9/16 in bore diameter and a 1.016 in pilot diameter, constructed from cobalt. Suitable for machining operations requiring precise screw seating
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This KEO built-in-pilot counterbore is designed for creating a flat-bottomed recess for a 1" screw head. It features a 1 9/16 in bore diameter and a 1.016 in pilot diameter, constructed from cobalt. Suitable for machining operations requiring precise screw seating
This built-in-pilot counterbore is designed for use with 7/16" screws, featuring a 21/32 in bore diameter and a 0.437 in pilot diameter. Constructed from cobalt, it creates flat-bottomed recesses for flush screw seating in metalworking and machining applications
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This built-in-pilot counterbore is designed for use with 7/16" screws, featuring a 21/32 in bore diameter and a 0.437 in pilot diameter. Constructed from cobalt, it creates flat-bottomed recesses for flush screw seating in metalworking and machining applications
This built-in-pilot counterbore is designed for 3/4" screws, with a 1 3/16 in bore diameter and a 0.766 in pilot diameter. Constructed from cobalt, it is used in machining operations to create recessed holes for screw heads to sit flush or below the workpiece surface
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This built-in-pilot counterbore is designed for 3/4" screws, with a 1 3/16 in bore diameter and a 0.766 in pilot diameter. Constructed from cobalt, it is used in machining operations to create recessed holes for screw heads to sit flush or below the workpiece surface
This built-in-pilot counterbore is designed for use with #5 screws, featuring a 13/64 in bore diameter and a 0.125 in pilot diameter. Constructed from cobalt, it is suitable for creating flat-bottomed recesses in metalworking applications
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This built-in-pilot counterbore is designed for use with #5 screws, featuring a 13/64 in bore diameter and a 0.125 in pilot diameter. Constructed from cobalt, it is suitable for creating flat-bottomed recesses in metalworking applications
This built-in-pilot counterbore is designed for 7/8" screws, with a 1 3/8 in bore diameter and a 0.906 in pilot diameter. Constructed from cobalt, it is used in machining to create recessed holes for screw heads to sit flush with the workpiece surface
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This built-in-pilot counterbore is designed for 7/8" screws, with a 1 3/8 in bore diameter and a 0.906 in pilot diameter. Constructed from cobalt, it is used in machining to create recessed holes for screw heads to sit flush with the workpiece surface

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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