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KEO Built-in-Pilot Counterbore for M8 Screws - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore for M8 Screws

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for M8 screws, featuring a 15 mm bore diameter and a 9 mm pilot diameter. It is constructed from TiN coated cobalt, as specified by the manufacturer…

SKU 3G-OTH-202285

Also listed as: 902000249 · 902 000 249

Brand
KEO
Item
Built-in-Pilot Counterbore for M8 Screws
Part Number
902-000-249
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-249KEO
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Technical Specifications

KEO
Manufacturer Part Number
902-000-249

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for M8 screws, featuring a 15 mm bore diameter and a 9 mm pilot diameter. It is constructed from TiN coated cobalt, as specified by the manufacturer part number 902-000-249.

Frequently Asked Questions

What is a KEO counterbore used for?

A KEO counterbore creates a flat-bottomed recess for bolt heads or nuts, allowing them to sit flush with or below the workpiece surface. This M8 screw counterbore is used in machining and assembly applications across industries like automotive, aerospace, and general manufacturing.

What are the specifications of the KEO 902-000-249 counterbore?

The KEO 902-000-249 is a standard built-in-pilot counterbore for M8 screws. It has a 15 mm bore diameter, a 9 mm pilot diameter, and is made from TiN coated cobalt. This tool is designed for precision recessing in metalworking operations.

Where to buy KEO counterbore 902-000-249 worldwide?

3G Electric supplies the KEO 902-000-249 counterbore worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this TiN coated cobalt tool.

How to select the correct KEO counterbore for M8 screws?

Select a counterbore with a pilot diameter matching the screw's clearance hole and a bore diameter matching the screw head. For M8 screws, the KEO 902-000-249 uses a 9 mm pilot and 15 mm bore. Ensure the tool material, like TiN coated cobalt, suits your workpiece hardness.

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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