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Category: Mandrels
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For nearly 100 years, Sunnen has built a global business around delivering the highest levels of precision to our customers. Combining a robust distribution network with industry-leading technology, Sunnen integrates bore creation, sizing and finishing into one turnkey solution. Together, we'll achieve extraordinary results.

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Technical Articles

Answering 5 Honing FAQs with Modern Machine Shop (Machine Tool Accessories) As one of the most common machining operations, holemaking presents manufacturers with plenty of options. Depending on bore diameter and surface finish tolerance, a shop might choose drilling,... (View Full Article)
Application Report: Gun Barrel Honing System Hits Bullseye for Pac-Nor (Grinding Machines and Finishing Equipment) Manufacturing precision rifle barrels has always been something of an art that involves hand lapping of the bore surface twice, before and after the rifling profile is cut or swaged in by a rifling... (View Full Article)