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KEO Counterbore: For 7/16" Screw, 1/32" Oversized, 11/16 in Bore Dia, 0.468 in Pilot Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For 7/16" Screw, 1/32" Oversized, 11/16 in Bore Dia, 0.468 in Pilot Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 7/16" screws. It features a 1/32" oversized bore diameter of 11/16" and a pilot diameter of 0.468", constructed from cobalt. This product is…

SKU 3G-OTH-184283

Also listed as: 902000027 · 902 000 027

Brand
KEO
Item
Counterbore: For 7/16" Screw, 1/32" Oversized, 11/16 in Bore Dia, 0.468 in Pilot 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
902-000-027
Type
Cobalt
Bore Dia
11/16 in
Oversized
1/32"
Pilot Dia
0.468 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 7/16" screws. It features a 1/32" oversized bore diameter of 11/16" and a pilot diameter of 0.468", constructed from cobalt. This product is identified by manufacturer part number 902-000-027.

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 to create a flat-bottomed recess for a 7/16" screw head, typically in metalworking. Its oversized design provides extra clearance for fastener fit. Common applications include jig and fixture building, mold making, and general machining where precise countersinking is required.

What are the specifications of the KEO Counterbore?

This KEO Counterbore has an 11/16" bore diameter, a 0.468" pilot diameter, and is 1/32" oversized for 7/16" screws. It is made from cobalt for durability and heat resistance. The manufacturer part number is 902-000-027, and it is classified as an oversized built-in-pilot counterbore.

Where to buy the KEO Counterbore worldwide?

3G Electric supplies the KEO Counterbore worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this cobalt counterbore to support your machining operations internationally.

How to select the correct KEO Counterbore size?

Select the KEO Counterbore by matching the pilot diameter to your existing hole and the bore diameter to your screw head. For a 7/16" screw, this 1/32" oversized version provides extra clearance. Always verify the screw size and desired fit before ordering. Consult a machining reference for proper pilot-to-hole tolerance.

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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