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KEO 902-000-258 TiN Coated Cobalt Built-in-Pilot Counterbore - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO 902-000-258 TiN Coated Cobalt Built-in-Pilot Counterbore

The KEO Counterbore: For M10 Screw is a built-in-pilot counterbore from KEO, featuring an 18 mm bore diameter and an 11 mm pilot diameter. This standard tool is constructed with TiN coated cobalt, as indicated by…

SKU 3G-OTH-202290

Also listed as: 902000258 · 902 000 258

Brand
KEO
Item
902-000-258 TiN Coated Cobalt Built-in-Pilot Counterbore
Part Number
902-000-258
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-258KEO
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Technical Specifications

KEO
Manufacturer Part Number
902-000-258
Type
TiN Coated Cobalt
Bore Dia
18 mm
Pilot Dia
11 mm

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

Product Description

The KEO Counterbore: For M10 Screw is a built-in-pilot counterbore from KEO, featuring an 18 mm bore diameter and an 11 mm pilot diameter. This standard tool is constructed with TiN coated cobalt, as indicated by manufacturer part number 902-000-258.

Frequently Asked Questions

What is a KEO counterbore for M10 screw used for?

A KEO counterbore for M10 screw creates a flat-bottomed recess for socket-head cap screws, allowing the screw head to sit flush with or below the workpiece surface. It is commonly used in machining, metalworking, and assembly applications across industrial departments.

What are the specifications of the KEO counterbore 902-000-258?

The KEO counterbore 902-000-258 has an 18 mm bore diameter and an 11 mm pilot diameter. It is a standard built-in-pilot tool made from TiN coated cobalt, designed for M10 screws. This combination provides wear resistance and precision in counterboring operations.

Where to buy KEO counterbore 902-000-258 worldwide?

3G Electric supplies the KEO counterbore 902-000-258 worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver this TiN coated cobalt tool to your facility, ensuring compliance with international shipping requirements.

How to select the correct KEO counterbore for M10 screws?

Select a KEO counterbore with a pilot diameter matching the screw's clearance hole and a bore diameter equal to the screw head's outer dimension. For M10 screws, the 902-000-258 model with 18 mm bore and 11 mm pilot is appropriate. Always verify the tool's coating and material compatibility with your workpiece.

Used in

Common applications for KEO
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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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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