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KEO Counterbore: For 5/16" Screw, 1/64" Oversized, 31/64 in Bore Dia - Oversized Built-in-Pilot Counterbores
KEOOversized Built-in-Pilot Counterbores

KEO Counterbore: For 5/16" Screw, 1/64" Oversized, 31/64 in Bore Dia

The KEO Counterbore is an oversized built-in-pilot counterbore designed for 5/16" screws. It features a 1/64" oversized bore diameter of 31/64" and a pilot diameter of 0.328". This tool is identified by manufacturer…

SKU 3G-OTH-184268

Brand
KEO
Item
Counterbore: For 5/16" Screw, 1/64" Oversized, 31/64 in Bore Dia
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

KEO
Manufacturer Part Number
902-000-129
Bore Dia
31/64 in
Oversized
1/64"
Pilot Dia
0.328 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 1/64" oversized bore diameter of 31/64" and a pilot diameter of 0.328". This tool is identified by manufacturer part number 902-000-129.

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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