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KEO Oversized Built-in-Pilot Counterbore 902-000-141 - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Oversized Built-in-Pilot Counterbore 902-000-141

The KEO Counterbore is an oversized built-in-pilot counterbore designed for use with a 3/8" screw. It features a 1/32" oversized bore diameter of 39/64 inches and a pilot diameter of 0.406 inches, identified by…

SKU 3G-OTH-184277

Also listed as: 902000141 · 902 000 141

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore 902-000-141
Part Number
902-000-141
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-141KEO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

KEO
Manufacturer Part Number
902-000-141
Bore Dia
39/64 in
Pilot Dia
0.406 in

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 use with a 3/8" screw. It features a 1/32" oversized bore diameter of 39/64 inches and a pilot diameter of 0.406 inches, identified by manufacturer part number 902-000-141.

Frequently Asked Questions

What is a KEO oversized built-in-pilot counterbore used for?

A KEO oversized built-in-pilot counterbore is used to create a flat-bottomed recess in a workpiece so that a fastener head, such as a 3/8" screw, sits flush or below the surface. The built-in pilot aligns the tool with an existing hole, and the 1/32" oversized bore provides clearance for the screw head.

What are the specifications of the KEO counterbore 902-000-141?

The KEO counterbore 902-000-141 is an oversized built-in-pilot type for a 3/8" screw. It has a 39/64 in bore diameter (1/32" oversized) and a 0.406 in pilot diameter. The brand is KEO and the manufacturer part number is 902-000-141.

Where to buy KEO counterbore 902-000-141 worldwide?

You can source the KEO counterbore 902-000-141 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on this KEO tool.

How to select the correct KEO counterbore for a 3/8" screw?

To select the correct KEO counterbore for a 3/8" screw, match the pilot diameter to the existing hole size and choose a bore diameter that accommodates the screw head. The KEO 902-000-141 features a 0.406 in pilot and a 39/64 in bore, which is 1/32" oversized for clearance. Always verify the screw head dimensions before ordering.

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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