P28 RETAINING BLOCK
P28 RETAINING BLOCK
Sunnen LN tooling is precision-engineered and designed to securely hold honing stones in place for accurate, repeatable bore finishing. Compatible with a range of Sunnen tooling systems, it delivers stable performance across various applications in automotive, aerospace, and industrial manufacturing—helping ensure consistent bore geometry and superior surface finishes.

Sunnen Service Team
Your Sunnen Technical Specialist will work with you to determine the best solution for your needs – it’s all part of the added value you get with Sunnen. Plus, our worldwide sales and service team provides comprehensive support for the installation and operation of every system we make. Whatever your need, we have the expertise and product range to create the right solution for you and the dedication to support you for the long run.
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