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KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 2.9 mm Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 2.9 mm Pilot Dia

The KEO Counterbore is a built-in-pilot counterbore designed for M3.5 screws, featuring a 6.5 mm bore diameter and a 2.9 mm pilot diameter, made from cobalt. This standard-configuration tool, identified by…

SKU 3G-OTH-202300

Brand
KEO
Item
Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 2.9 mm Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-046
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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 M3.5 screws, featuring a 6.5 mm bore diameter and a 2.9 mm pilot diameter, made from cobalt. This standard-configuration tool, identified by manufacturer part number 902-000-046, is suitable for precision 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 used for?

The KEO Counterbore is used for precision counterboring operations to create a flat-bottomed recess for M3.5 screw heads. It is commonly applied in metalworking and machining industries where accurate pilot alignment and clean, countersunk holes are required for assembly.

What are the specifications of the KEO Counterbore?

The KEO Counterbore has a 6.5 mm bore diameter and a 2.9 mm pilot diameter, designed for M3.5 screws. It is made from cobalt, features a standard configuration, and carries manufacturer part number 902-000-046. This built-in-pilot tool ensures precise alignment during counterboring.

Where to buy the KEO Counterbore worldwide?

You can source the KEO Counterbore 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; we supply this standard-configuration cobalt counterbore for M3.5 screws.

How to select the correct KEO Counterbore for M3.5 screws?

To select the correct KEO Counterbore, match the bore diameter to the screw head size and the pilot diameter to the existing hole. For M3.5 screws, use the 6.5 mm bore and 2.9 mm pilot. Ensure the tool is cobalt for durability in hard materials. KEO offers standard configurations for reliable performance.

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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