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KEO Oversized Built-in-Pilot Counterbore, 15/64 in Bore, 0.156 in Pilot - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Oversized Built-in-Pilot Counterbore, 15/64 in Bore, 0.156 in Pilot

The KEO Counterbore is an oversized built-in-pilot counterbore designed for #5 screws. It features a 1/32" oversized bore diameter of 15/64 inches and a pilot diameter of 0.156 inches, identified by manufacturer part…

SKU 3G-OTH-184334

Also listed as: 902000087 · 902 000 087

Brand
KEO
Item
Oversized Built-in-Pilot Counterbore, 15/64 in Bore, 0.156 in Pilot
Part Number
902-000-087
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:902-000-087KEO
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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
902-000-087
Bore Dia
15/64 in
Pilot Dia
0.156 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 #5 screws. It features a 1/32" oversized bore diameter of 15/64 inches and a pilot diameter of 0.156 inches, identified by manufacturer part number 902-000-087.

Frequently Asked Questions

What is the KEO Counterbore used for?

The KEO Counterbore is used to create a flat-bottomed recess for #5 screw heads in metalworking and machining applications. Its oversized built-in-pilot design ensures precise alignment and clearance for fasteners, commonly employed in tool and die making, automotive, and aerospace manufacturing.

What are the specifications of the KEO Counterbore 902-000-087?

The KEO Counterbore 902-000-087 is an oversized built-in-pilot type for #5 screws. It has a 1/32" oversized bore diameter of 15/64 in and a pilot diameter of 0.156 in. The manufacturer part number is 902-000-087, and it is designed for precision counterboring in industrial settings.

Where to buy the KEO Counterbore worldwide?

3G Electric supplies the KEO Counterbore 902-000-087 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 precision tool to support your machining operations.

How to select the correct KEO Counterbore for a #5 screw?

To select the correct KEO Counterbore for a #5 screw, match the screw size to the counterbore's pilot diameter (0.156 in) and ensure the bore diameter (15/64 in) provides the required 1/32" oversize clearance. Verify the counterbore type is oversized built-in-pilot for proper alignment and recess depth in your workpiece.

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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