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Leave a messageIn the metric thread system, the minimum pitch diameter for a 5H hole (medium fit) or 4H 5H hole (close fit) are the same, while the maximum pitch diameter is greater on the 5H hole (medium fit). Recoil taps for metric threads are made to 4H5H hole (close fit) tolerance.
These durable, corrosion-resistant coil Metric Thread Repair Inserts are a quick and reliable way to repair or reinforce damaged threads in soft metal materials. Made from 18-8 stainless steel, the metric Thread Repair Kit inserts provide strong internal threads and protect against stripping and wear. The metric thread repair inserts are available in metric sizes from M2 to M39.
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