Model Rivnuts Knurled Flange Threaded Insert Rivet Nut. M10 x 21 mm - Flat head、M12 x 24 mm - Flat head. M12 x 22 mm - Small Countersunk Head. M12 x 22 mm - Large Countersunk Head. Type Rivet nut. M3 x 9 mm - Flat head、M4 x 11 mm - Flat head、M5 x 13 mm - Flat head、M6 x 15 mm - Flat head、M8 x 18 mm - Flat head.
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