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KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.7 mm Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.7 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 3.7 mm pilot diameter, made from cobalt. This standard-configuration tool, manufactured by KEO…

SKU 3G-OTH-202263

Also listed as: 902000047 · 902 000 047

Brand
KEO
Item
Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.7 mm Pilot Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-047

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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 3.7 mm pilot diameter, made from cobalt. This standard-configuration tool, manufactured by KEO under part number 902-000-047, is used for creating recessed holes for screw heads in industrial applications.

Frequently Asked Questions

What is a KEO counterbore used for?

A KEO counterbore creates a recessed cylindrical hole for screw heads, allowing them to sit flush with or below the workpiece surface. This M3.5 screw counterbore is used in machining, metalworking, and assembly applications where a clean, flush finish is required for fastener heads.

What are the specifications of the KEO counterbore 902-000-047?

The KEO counterbore 902-000-047 is a built-in-pilot tool for M3.5 screws, with a 6.5 mm bore diameter and a 3.7 mm pilot diameter. It is made from cobalt, has a standard configuration, and is manufactured by KEO. These specs ensure precise counterboring for M3.5 fasteners.

Where to buy KEO counterbore 902-000-047 worldwide?

3G Electric supplies the KEO counterbore 902-000-047 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this cobalt counterbore to your facility. Contact us for availability and delivery to your location.

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

Select a KEO counterbore with a bore diameter matching the screw head size and a pilot diameter that fits the existing hole. For M3.5 screws, the 902-000-047 model has a 6.5 mm bore and 3.7 mm pilot. Always verify the screw head diameter and pilot hole size 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
KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 2.9 mm Pilot Dia, Cobalt (MPN 902-000-046)
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KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 2.9 mm Pilot Dia, Cobalt (MPN 902-000-046)
KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.9 mm Pilot Dia, Cobalt (MPN 902-000-048)
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KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.9 mm Pilot Dia, Cobalt (MPN 902-000-048)
Standard built-in-pilot counterbore for M3 screws. Features a 6 mm bore diameter and 3.4 mm pilot diameter. Constructed from cobalt. Used to create flat-bottomed recesses for screw heads in metal or plastic workpieces during machining and assembly operations
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Standard built-in-pilot counterbore for M3 screws. Features a 6 mm bore diameter and 3.4 mm pilot diameter. Constructed from cobalt. Used to create flat-bottomed recesses for screw heads in metal or plastic workpieces during machining and assembly operations
KEO Counterbore: For M3 Screw, 6 mm Bore Dia, 2.5 mm Pilot Dia, Cobalt (MPN 902-000-043)
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KEO Counterbore: For M3 Screw, 6 mm Bore Dia, 2.5 mm Pilot Dia, Cobalt (MPN 902-000-043)
KEO Counterbore: For M3 Screw, 6 mm Bore Dia, 3.2 mm Pilot Dia, Cobalt (MPN 902-000-044)
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KEO Counterbore: For M3 Screw, 6 mm Bore Dia, 3.2 mm Pilot Dia, Cobalt (MPN 902-000-044)
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, Cobalt (MPN 902-000-053)
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KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, Cobalt (MPN 902-000-053)

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