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KEO Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 5/16" screws. It features a 1/2" bore diameter and a 0.343" pilot diameter, with a 1/32" oversized specification. This product is identified…

SKU 3G-OTH-184271

Brand
KEO
Item
Counterbore: For 5/16" Screw, 1/32" Oversized, 1/2 in Bore Dia
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-132
Bore Dia
1/2 in
Oversized
1/32"
Pilot Dia
0.343 in
Counterbore Type
Oversized
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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 5/16" screws. It features a 1/2" bore diameter and a 0.343" pilot diameter, with a 1/32" oversized specification. This product is identified by manufacturer part number 902-000-132.

Frequently Asked Questions

What is the KEO Counterbore 902-000-132 used for?

The KEO Counterbore 902-000-132 is used to create a flat-bottomed recess for a 5/16" screw head, allowing it to sit flush with or below the workpiece surface. It is commonly applied in metalworking, machining, and assembly operations where precise countersinking is required for fastener clearance.

What are the specifications of the KEO Counterbore 902-000-132?

The KEO Counterbore 902-000-132 is an oversized built-in-pilot type for 5/16" screws. It has a 1/2" bore diameter, a 0.343" pilot diameter, and a 1/32" oversized specification. The manufacturer part number is 902-000-132, and it is made by KEO.

Where to buy the KEO Counterbore 902-000-132 worldwide?

You can source the KEO Counterbore 902-000-132 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 customers internationally.

How to select the correct KEO Counterbore for a 5/16" screw?

To select the correct KEO Counterbore for a 5/16" screw, match the pilot diameter to the screw's clearance hole size and the bore diameter to the screw head. The 902-000-132 uses a 0.343" pilot and 1/2" bore with a 1/32" oversized allowance. Always verify the screw head dimensions and workpiece material before ordering.

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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