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Sunnen is the leader in precision bore sizing systems world wide.

When you choose the “Sunnen Solution”, you get the honing machines together with best cutting abrasives, high performance honing oils, coolants, toolings and precision bore gages.

Tools

Sunnen represent the most comprehensive range of tools in the honing industry.

Oils & Coolants

Oils and coolants are specially formulated and tested to optimize the bore sizing performance of both plated and abrasive stone tools.

Gaging

Our measuring instruments are mechanically stable, reliable and comply with the required measuring accuracy in highest repeatability.