10/50pcs Stamping Rivet Nut Clamp Nuts Zinc Plated Carbon Steel M2 M3 M4 M5

Material:Carbon Steel. S-M2-1 2mm 1（Plate thickness:1 mm）. S-M2-2 2mm 2（Plate thickness:1. 4mm）. S-M2.5-1 2.5mm 1（Plate thickness:1 mm）. S-M2.5-2 2.5mm 2（Plate thickness:1. 4mm）. S-M3-0 3mm 0（Plate thickness:0.8mm）.

eBay