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the 4GP20 offers the reliability and performance professionals expect from Sunnen
Optimize your honing performance with the Sunnen R28 Blind Hole Wedge—specially designed for precision honing in blind hole applications
reliability
it offers a wide diameter range
SUPPORT SIZE 18, REPLACEMENT FOR SANDVIK 430.21-18D200 the 4GP20 offers the reliabilitySunnen HellerDEX is a precision engineered honing solution designed to elevate your machining performance. Built for durability and accuracy, HellerDEX delivers unmatched surface finishes and optimal bore geometry in high production environments. Whether you are working with complex materials or tight tolerances, trust Sunnen HellerDEX for consistent, reliable results that keep your operations running at peak efficiency.
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