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KEO Built-in-Pilot Counterbore - Built-in-Pilot Counterbores
KEOBuilt-in-Pilot Counterbores

KEO Built-in-Pilot Counterbore

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for 7/8" screws, featuring a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is constructed with AlTiN coated cobalt and carries the…

SKU 3G-OTH-202312

Also listed as: 902000298 · 902 000 298

Brand
KEO
Item
Built-in-Pilot Counterbore
Part Number
902-000-298
Category
Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-298KEO
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Technical Specifications

KEO
Manufacturer Part Number
902-000-298
Type
AlTiN Coated Cobalt
Bore Dia
1 3/8 in
Pilot Dia
0.891 in

Technical Documents

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

Product Description

The KEO Built-in-Pilot Counterbore is a standard-type tool designed for 7/8" screws, featuring a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is constructed with AlTiN coated cobalt and carries the manufacturer part number 902-000-298.

Frequently Asked Questions

What is the KEO Counterbore 902-000-298 used for?

The KEO Counterbore 902-000-298 is used to create a flat-bottomed recess for a 7/8" screw head, typically in metalworking and machining applications. Its built-in pilot aligns the tool with an existing hole, ensuring accurate countersinking for flush assembly in industrial manufacturing.

What are the specifications of the KEO Counterbore 902-000-298?

The KEO Counterbore 902-000-298 has a 1 3/8 in bore diameter and a 0.891 in pilot diameter. It is made of AlTiN coated cobalt, designed for standard-type use with 7/8" screws. The manufacturer part number is 902-000-298, and it is a built-in-pilot counterbore.

Where to buy the KEO Counterbore 902-000-298 worldwide?

You can source the KEO Counterbore 902-000-298 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this KEO tool to procurement teams and engineers globally.

How to select the correct KEO counterbore for a 7/8" screw?

To select the correct KEO counterbore for a 7/8" screw, match the bore diameter to the screw head size and the pilot diameter to the existing hole. For the 902-000-298, the bore is 1 3/8 in and pilot is 0.891 in. Always verify the screw's head dimensions and the material being machined to ensure proper fit and finish.

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 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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