This page is available at https://www.rwfa.com.au/Products/Flange-serrated-nuts/METRIC-FLANGE-NYLONLOCK-NUTS/Coarse-Pitch-Flange-Non-Serrated.html
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This page is available at https://www.rwfa.com.au/Products/Flange-serrated-nuts/METRIC-FLANGE-NYLONLOCK-NUTS/Coarse-Pitch-Flange-Non-Serrated.html