We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 is an oversized built-in-pilot counterbore designed for 5/16" screws. It features a 31/64 in bore diameter and a 0.328 in pilot diameter, with a 1/64" oversized specification. This cobalt tool…

SKU 3G-OTH-184267

Also listed as: 902000020 · 902 000 020

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

KEO
Manufacturer Part Number
902-000-020
Type
Cobalt
Bore Dia
31/64 in
Oversized
1/64"
Pilot Dia
0.328 in
Counterbore Type
Oversized

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 is an oversized built-in-pilot counterbore designed for 5/16" screws. It features a 31/64 in bore diameter and a 0.328 in pilot diameter, with a 1/64" oversized specification. This cobalt tool, manufactured under part number 902-000-020, is suitable for industrial machining applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the KEO Counterbore used for?

The KEO Counterbore is used in industrial machining to create a flat-bottomed recess for a 5/16" screw head. Its oversized 1/64" design provides clearance for bolt holes, and the built-in pilot ensures alignment. It is suitable for metalworking applications requiring precision counterboring.

What are the specifications of the KEO Counterbore 902-000-020?

The KEO Counterbore 902-000-020 has a 31/64 in bore diameter and a 0.328 in pilot diameter. It is oversized by 1/64" for 5/16" screws. The tool is made from cobalt and is classified as an oversized built-in-pilot counterbore. The brand is KEO.

Where to buy the KEO Counterbore 902-000-020 worldwide?

You can source the KEO Counterbore 902-000-020 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us to order this cobalt counterbore for your machining needs.

How to select the correct KEO Counterbore for a 5/16" screw?

To select the correct KEO Counterbore for a 5/16" screw, ensure the pilot diameter matches the screw's clearance hole. For this oversized version, the pilot is 0.328 in and bore is 31/64 in. Verify the tool is cobalt for durability. KEO manufactures this specific part number 902-000-020 for industrial use.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia, 0.343 in Pilot Dia, Cobalt (MPN 902-000-021)
KEO
KEO Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia, 0.343 in Pilot Dia, Cobalt (MPN 902-000-021)
KEO Counterbore: For 3/8" Screw, 1/64" Oversized, 19/32 in Bore Dia, 0.39 in Pilot Dia, Cobalt (MPN 902-000-023)
KEO
KEO Counterbore: For 3/8" Screw, 1/64" Oversized, 19/32 in Bore Dia, 0.39 in Pilot Dia, Cobalt (MPN 902-000-023)
KEO Counterbore: For 3/8" Screw, 1/32" Oversized, 39/64 in Bore Dia, 0.406 in Pilot Dia, Cobalt (MPN 902-000-024)
KEO
KEO Counterbore: For 3/8" Screw, 1/32" Oversized, 39/64 in Bore Dia, 0.406 in Pilot Dia, Cobalt (MPN 902-000-024)
KEO Counterbore: For 7/16" Screw, 1/32" Oversized, 11/16 in Bore Dia, 0.468 in Pilot Dia, Cobalt (MPN 902-000-027)
KEO
KEO Counterbore: For 7/16" Screw, 1/32" Oversized, 11/16 in Bore Dia, 0.468 in Pilot Dia, Cobalt (MPN 902-000-027)
KEO Counterbore: For 5/8" Screw, 1/64" Oversized, 31/32 in Bore Dia, 0.641 in Pilot Dia, Cobalt (MPN 902-000-032)
KEO
KEO Counterbore: For 5/8" Screw, 1/64" Oversized, 31/32 in Bore Dia, 0.641 in Pilot Dia, Cobalt (MPN 902-000-032)
KEO Counterbore: For 5/8" Screw, 1/32" Oversized, 63/64 in Bore Dia, 0.656 in Pilot Dia, Cobalt (MPN 902-000-033)
KEO
KEO Counterbore: For 5/8" Screw, 1/32" Oversized, 63/64 in Bore Dia, 0.656 in Pilot Dia, Cobalt (MPN 902-000-033)

More from KEO

View all KEO parts
Oversized built-in-pilot counterbore with 1/32" oversized bore, 17/64 in bore diameter, and 0.169 in pilot diameter. Designed for creating flat-bottomed recesses for screw heads in metal or plastic workpieces during machining operations
KEO
Oversized built-in-pilot counterbore with 1/32" oversized bore, 17/64 in bore diameter, and 0.169 in pilot diameter. Designed for creating flat-bottomed recesses for screw heads in metal or plastic workpieces during machining operations
This oversized built-in-pilot counterbore is designed for creating flat-bottomed recesses for screw heads in metalworking. It features a 63/64 in bore diameter, a 0.656 in pilot diameter, and is 1/32" oversized to provide clearance for a 5/8" screw. Suitable for industrial machining and assembly operations
KEO
This oversized built-in-pilot counterbore is designed for creating flat-bottomed recesses for screw heads in metalworking. It features a 63/64 in bore diameter, a 0.656 in pilot diameter, and is 1/32" oversized to provide clearance for a 5/8" screw. Suitable for industrial machining and assembly operations
Oversized built-in-pilot counterbore with 39/64 in bore diameter (1/32" oversized) and 0.406 in pilot diameter. Designed for creating flat-bottomed recesses for fastener heads, such as a 3/8" screw, to sit flush or below the workpiece surface. The built-in pilot aligns the tool with an existing hole
KEO
Oversized built-in-pilot counterbore with 39/64 in bore diameter (1/32" oversized) and 0.406 in pilot diameter. Designed for creating flat-bottomed recesses for fastener heads, such as a 3/8" screw, to sit flush or below the workpiece surface. The built-in pilot aligns the tool with an existing hole
This oversized built-in-pilot counterbore is designed for creating flat-bottomed recesses for 7/16" screw heads. The 1/32" oversized dimension provides additional clearance for bolt heads. It features an 11/16 in bore diameter and a 0.468 in pilot diameter. Suitable for use in metal or plastic workpieces in machining and assembly operations
KEO
This oversized built-in-pilot counterbore is designed for creating flat-bottomed recesses for 7/16" screw heads. The 1/32" oversized dimension provides additional clearance for bolt heads. It features an 11/16 in bore diameter and a 0.468 in pilot diameter. Suitable for use in metal or plastic workpieces in machining and assembly operations
This cobalt counterbore features an integral pilot for alignment and is oversized by 1/64" for use with 7/16" screws. It creates a flat-bottomed recess for screw heads in metalworking and industrial machining applications. The 43/64 in bore diameter and 0.452 in pilot diameter ensure precise fitment
KEO
This cobalt counterbore features an integral pilot for alignment and is oversized by 1/64" for use with 7/16" screws. It creates a flat-bottomed recess for screw heads in metalworking and industrial machining applications. The 43/64 in bore diameter and 0.452 in pilot diameter ensure precise fitment
Oversized built-in-pilot counterbore with 1/32" oversize for clearance. Bore diameter 63/64 in, pilot diameter 0.656 in. Used to create flat-bottomed recesses for screw heads in metalworking and assembly operations
KEO
Oversized built-in-pilot counterbore with 1/32" oversize for clearance. Bore diameter 63/64 in, pilot diameter 0.656 in. Used to create flat-bottomed recesses for screw heads in metalworking and assembly operations
Oversized built-in-pilot counterbore with 1/64" oversize for clearance. 31/32 in bore diameter, 0.641 in pilot diameter. Used in industrial machining to create flat-bottomed recesses for 5/8" screw heads in metalworking and tool-and-die operations
KEO
Oversized built-in-pilot counterbore with 1/64" oversize for clearance. 31/32 in bore diameter, 0.641 in pilot diameter. Used in industrial machining to create flat-bottomed recesses for 5/8" screw heads in metalworking and tool-and-die operations
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