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Counterboring

The SP Series square four-cornered inserts, with corner radii from .010" to .090", are designed for efficient counterboring, providing precise flat-bottom cuts and available in five different radii.

Honeycomb
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SP32 Square Insert

Up to .375 Width

SP32 Inserts
SP42 Insert Box.png

SP42 Square Insert

Up to .500 Width

SP42 Inserts
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Counterbore Cutter

2 Flute

End Mill Cutter Body
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SP Counterbore Series Inserts

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Get your part numbers in just
a few clicks.

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EM19
SP Counterbore Inserts

Step 1. To build your insert, choose a part number in red from either the SP32 or SP42 columns below. 

SP32

SP42

SP32 Tech Drawing
SP42 Tech Drawing
SP 32 Insert Table
SP42 Insert Table

Step 2. Choose a grade in red below. The complete part number combines the first selection from the section above with your grade selection below. 

Insert Hone
Material Type & Substrate

Material Types and Substrate Information 

Material Chart
Grades
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Counterbore End Mill

Counterbore Cutter Body

Designed for efficient counterboring, this cutter delivers a precise, flat-bottom cut utilizing the SP Series square, four-cornered insert, available in five different radii.

Counterbore End Mill
Counterbore Tech Drawing
Counterbore Table
SP Parts
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