50pcs M3 3mm x 5mm Brass Knurled Threaded Insert Embedment Nuts

M6 x 1mm Thread 304 Stainless Steel Serrated Flange Metric Hex Lock Nuts 26PCS

M3 x 6mm(L) x 4mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 50 Pcs

M3 x 3mm(L) x 4mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 50 Pcs

30pcs M3 3mm x 4mm Brass Knurled Threaded Insert Embedment Nuts

50Pcs M3/M4 Metric Brass Cylinder Knurled Threaded Round Insert Embedment Nuts

50pcs M2.5 x 4mm Brass Knurled Threaded Insert Embedment Nuts

M3 x 8mm(L) x 4mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 50Pcs