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KEO Counterbore: For 1/2" Screw, 1/32" Oversized, 25/32 in Bore Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For 1/2" Screw, 1/32" Oversized, 25/32 in Bore Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 1/2" screws. It features a 1/32" oversized configuration with a 25/32 in bore diameter and a 0.531 in pilot diameter, identified by…

SKU 3G-OTH-184330

Also listed as: 902000159 · 902 000 159

Brand
KEO
Item
Counterbore: For 1/2" Screw, 1/32" Oversized, 25/32 in Bore Dia
Category
Oversized Built-in-Pilot Counterbores
Available to Order
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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
902-000-159
Bore Dia
25/32 in
Oversized
1/32"
Pilot Dia
0.531 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 1/2" screws. It features a 1/32" oversized configuration with a 25/32 in bore diameter and a 0.531 in pilot diameter, identified by manufacturer part number 902-000-159.

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 902-000-159 used for?

The KEO Counterbore 902-000-159 is used to create a flat-bottomed recess for 1/2" screw heads in metalworking and machining applications. Its oversized built-in-pilot design ensures accurate alignment and clean counterboring in industrial manufacturing and maintenance operations.

What are the specifications of the KEO Counterbore 902-000-159?

The KEO Counterbore 902-000-159 is an oversized built-in-pilot counterbore for 1/2" screws. It has a 1/32" oversized configuration, a 25/32 in bore diameter, and a 0.531 in pilot diameter. The manufacturer part number is 902-000-159, and the brand is KEO.

Where to buy the KEO Counterbore 902-000-159 worldwide?

You can source the KEO Counterbore 902-000-159 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct KEO counterbore for a 1/2" screw?

To select the correct KEO counterbore for a 1/2" screw, match the pilot diameter to the screw's body diameter and the bore diameter to the screw head size. The KEO 902-000-159 features a 0.531 in pilot and a 25/32 in bore, with a 1/32" oversized allowance for clearance.

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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