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KEO Oversized Built-in-Pilot Counterbore - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Oversized Built-in-Pilot Counterbore

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
Oversized Built-in-Pilot Counterbore
Part Number
902-000-111
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-111KEO
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Technical Specifications

KEO
Manufacturer Part Number
902-000-111
Bore Dia
21/64 in
Pilot Dia
0.205 in

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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
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 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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This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly
KEO
This oversized built-in-pilot counterbore is made from cobalt and features a 1 13/64 in bore diameter with a 0.781 in pilot diameter. The 1/32" oversized design provides clearance for fasteners in metalworking applications, creating a flat-bottomed recess for screw heads to ensure proper seating and flush assembly

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