Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia

The KEO Counterbore: For M5 Screw is a Built-in-Pilot Counterbore from KEO, designed for standard applications. It features a 10 mm bore diameter, a 5.3 mm pilot diameter, and a TiN coated cobalt construction…

SKU 3G-OTH-202274

Brand
KEO
Item
Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia
Category
Built-in-Pilot Counterbores
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

KEO
Manufacturer Part Number
902-000-228
Type
TiN Coated Cobalt
Bore Dia
10 mm
Pilot Dia
5.3 mm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The KEO Counterbore: For M5 Screw is a Built-in-Pilot Counterbore from KEO, designed for standard applications. It features a 10 mm bore diameter, a 5.3 mm pilot diameter, and a TiN coated cobalt construction, identified by manufacturer part number 902-000-228.

Frequently Asked Questions

What is a KEO counterbore for M5 screw used for?

A KEO counterbore for M5 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 used in metalworking, machining, and assembly applications where a clean, flush finish is required.

What are the specifications of the KEO counterbore 902-000-228?

The KEO counterbore 902-000-228 has a 10 mm bore diameter, a 5.3 mm pilot diameter, and is made of TiN coated cobalt. It is designed for M5 screws and is a standard built-in-pilot counterbore from KEO.

Where to buy KEO counterbore 902-000-228 worldwide?

3G Electric supplies the KEO counterbore 902-000-228 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct KEO counterbore for M5 screws?

Select a KEO counterbore with a pilot diameter matching the screw's clearance hole (5.3 mm for M5) and a bore diameter matching the screw head (10 mm). Ensure the tool is compatible with your material and machine, and consider coating like TiN for extended tool life.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-231). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-231). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 4.2 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-225). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 4.2 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-225). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M10 Screw, 18 mm Bore Dia, 11 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-258). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M10 Screw, 18 mm Bore Dia, 11 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-258). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M6 Screw, 11 mm Bore Dia, 5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-234). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M6 Screw, 11 mm Bore Dia, 5 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-234). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, Cobalt (MPN 902-000-054). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.5 mm Pilot Dia, Cobalt (MPN 902-000-054). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, Cobalt (MPN 902-000-053). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M5 Screw, 10 mm Bore Dia, 5.3 mm Pilot Dia, Cobalt (MPN 902-000-053). Key specifications — attr1301456: Standard; attr1301427: KEO.

More from KEO

View all KEO parts →
KEO Counterbore: For 1/4" Screw, 3/8 in Bore Dia, 0.25 in Pilot Dia, Cobalt (MPN 902-000-016). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For 1/4" Screw, 3/8 in Bore Dia, 0.25 in Pilot Dia, Cobalt (MPN 902-000-016). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M12 Screw, 20 mm Bore Dia, 14 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-267). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M12 Screw, 20 mm Bore Dia, 14 mm Pilot Dia, TiN Coated Cobalt (MPN 902-000-267). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.7 mm Pilot Dia, Cobalt (MPN 902-000-047). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M3.5 Screw, 6.5 mm Bore Dia, 3.7 mm Pilot Dia, Cobalt (MPN 902-000-047). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For 5/8" Screw, 15/16 in Bore Dia, 0.625 in Pilot Dia, Cobalt (MPN 902-000-031). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For 5/8" Screw, 15/16 in Bore Dia, 0.625 in Pilot Dia, Cobalt (MPN 902-000-031). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For #10 Screw, 5/16 in Bore Dia, 0.19 in Pilot Dia, Cobalt (MPN 902-000-013). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For #10 Screw, 5/16 in Bore Dia, 0.19 in Pilot Dia, Cobalt (MPN 902-000-013). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For M4 Screw, 8 mm Bore Dia, 3.3 mm Pilot Dia, Cobalt (MPN 902-000-049). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For M4 Screw, 8 mm Bore Dia, 3.3 mm Pilot Dia, Cobalt (MPN 902-000-049). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For 3/8" Screw, 37/64 in Bore Dia, 0.375 in Pilot Dia, Cobalt (MPN 902-000-022). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For 3/8" Screw, 37/64 in Bore Dia, 0.375 in Pilot Dia, Cobalt (MPN 902-000-022). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO Counterbore: For 5/16" Screw, 15/32 in Bore Dia, 0.312 in Pilot Dia, TiN Coated Cobalt (MPN 902-000-126). Key specifications — attr1301456: Standard; attr1301427: KEO.
KEO
KEO Counterbore: For 5/16" Screw, 15/32 in Bore Dia, 0.312 in Pilot Dia, TiN Coated Cobalt (MPN 902-000-126). Key specifications — attr1301456: Standard; attr1301427: KEO.