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27ER4 API504
New nano PVD coating, ultra-fine grain alloy matrix with good wear resistance and toughness, Applicable to all kinds of steelcastiron and other materials, thread turning.
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27ER4 API506
New nano PVD coating, ultra-fine grain alloy matrix with good wear resistance and toughness, Applicable to all kinds of steelcastiron and other materials, thread turning.
$0.00 More
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