M3 x 3mm Female Thread Brass Knurled Threaded Insert Embedment Nuts 100PCS N4W8

M3 x 3mm Female Thread Brass Knurled Threaded Insert Embedment Nuts 100PCS A7Z2

M3 x 5mm(L) x 5.4mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 40 Pcs

M4 x 5mm(L) x 5mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 100 Pcs

100PCS M3 x 3mm Female Thread Brass Knurled Threaded Insert Embedment Nuts4280

100PCS M3 x 3mm Female Thread Brass Knurled Threaded Insert Embedment Nuts1268

M3 x 4mm(L) x 4mm(OD) Brass Knurled Threaded Insert Embedment Nuts 100 Pcs

M2 x 3mm Brass Cylinder Knurled Threaded Round Insert Embedded Nuts 100pcs B4H3