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KEO Counterbore: For #6 Screw, 1/64" Oversized, 1/4 in Bore Dia, 0.153 in Pilot Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For #6 Screw, 1/64" Oversized, 1/4 in Bore Dia, 0.153 in Pilot Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for #6 screws. It features a 1/64" oversized bore diameter of 1/4 inch and a pilot diameter of 0.153 inch, constructed from cobalt material…

SKU 3G-OTH-184244

Also listed as: 902000008 · 902 000 008

Brand
KEO
Item
Counterbore: For #6 Screw, 1/64" Oversized, 1/4 in Bore Dia, 0.153 in Pilot Dia
Category
Oversized Built-in-Pilot Counterbores
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
902-000-008
Type
Cobalt
Bore Dia
1/4 in
Oversized
1/64"
Pilot Dia
0.153 in
Counterbore Type
Oversized

Technical Documents

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

Product Description

The KEO Counterbore is an oversized built-in-pilot counterbore designed for #6 screws. It features a 1/64" oversized bore diameter of 1/4 inch and a pilot diameter of 0.153 inch, constructed from cobalt material. This product is identified by manufacturer part number 902-000-008.

Frequently Asked Questions

What is a KEO oversized counterbore used for?

A KEO oversized counterbore creates a flat-bottomed recess for a #6 screw head, allowing the fastener to sit flush or below the workpiece surface. The 1/64" oversized bore provides clearance for assembly. It is commonly used in metalworking and machining applications where precise screw seating is required.

What are the specifications of the KEO counterbore 902-000-008?

The KEO counterbore 902-000-008 is an oversized built-in-pilot type for #6 screws. It has a 1/4 in bore diameter, a 0.153 in pilot diameter, and is 1/64" oversized. The tool is made from cobalt material for durability in machining. The manufacturer part number is 902-000-008.

Where to buy KEO counterbore 902-000-008 worldwide?

3G Electric supplies the KEO counterbore 902-000-008 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this cobalt oversized counterbore for your machining needs.

How to select the correct KEO counterbore for a #6 screw?

Select a KEO counterbore that matches the screw size and desired fit. For a #6 screw, the standard pilot diameter is 0.153 in. If you need clearance, choose the 1/64" oversized version with a 1/4 in bore diameter. Cobalt construction offers heat resistance for extended tool life in harder materials.

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 oversized 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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