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2RTR3 Counterbores with Built-In Pilots

$65.54

Bulk orders will be discounted, please contact us.

Cobalt steel counterbores provide more wear resistance at high speeds than high-speed steel counterbores and are suitable for machining hard materials. They make a flat-bottomed cavity at the top of an existing hole so that a bolt, nut, or other part is hidden beneath or sits flush with the top of the hole when installed into it. Also called solid pilot counterbores, these counterbores have a pilot that keeps the counterbore centered in the hole to ensure a level seat. The pilot is built-in and cannot be removed.

Product Number: 2RTR3

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  • Description
Mfr Model 55229
Measurement System Fractional Inch
Pilot Dia 33/64 in
Overall Length 6 in
Shank Type Machining Straight
Shank Dia 1/2 in
Material Machining Cobalt
Pilot Length 1/2 in
Standards ISO 9001:2008
Primary Material Application All Materials
Primary Material Application ISO Code S3
UNSPSC 23153312
Country of Origin USA (subject to change)
Counterbore Type Oversized
For Screw Size 1/2 in
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