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KEO Counterbore: For #10 Screw, 1/64" Oversized, 21/64 in Bore Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For #10 Screw, 1/64" Oversized, 21/64 in Bore Dia

The KEO Counterbore: For #10 Screw is an oversized built-in-pilot counterbore designed for creating recessed holes for #10 screws. It features a 21/64 in bore diameter and a 0.205 in pilot diameter, with a 1/64"…

SKU 3G-OTH-184255

Also listed as: 902000111 · 902 000 111

Brand
KEO
Item
Counterbore: For #10 Screw, 1/64" Oversized, 21/64 in Bore Dia
Category
Oversized Built-in-Pilot Counterbores
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
902-000-111
Bore Dia
21/64 in
Oversized
1/64"
Pilot Dia
0.205 in
Counterbore Type
Oversized

Technical Documents

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

Product Description

The KEO Counterbore: For #10 Screw is an oversized built-in-pilot counterbore designed for creating recessed holes for #10 screws. It features a 21/64 in bore diameter and a 0.205 in pilot diameter, with a 1/64" oversized specification. This product is identified by manufacturer part number 902-000-111.

Frequently Asked Questions

What is the KEO Counterbore for #10 screw used for?

The KEO Counterbore for #10 screw creates recessed holes that allow screw heads to sit flush with or below the workpiece surface. It is used in metalworking and machining applications where a clean, countersunk finish is required for #10 fasteners.

What are the specifications of the KEO Counterbore 902-000-111?

The KEO Counterbore 902-000-111 is an oversized built-in-pilot type for #10 screws. It has a 21/64 in bore diameter, a 0.205 in pilot diameter, and is oversized by 1/64". The manufacturer part number is 902-000-111.

Where to buy KEO Counterbore 902-000-111 worldwide?

3G Electric supplies the KEO Counterbore 902-000-111 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this oversized built-in-pilot counterbore.

How to select the correct KEO counterbore for #10 screws?

Select a KEO counterbore that matches the screw size and desired fit. For #10 screws, the standard pilot diameter is 0.205 in. If you need extra clearance for coatings or tolerances, choose the 1/64" oversized version like the 902-000-111. Always verify bore and pilot dimensions against your fastener.

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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Cross-referenced by specification & description
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KEO Counterbore: For #10 Screw, 1/64" Oversized, 21/64 in Bore Dia, 0.205 in Pilot Dia, Cobalt (MPN 902-000-014)

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