M2 M2.5 M3 M4 M5 M6 Brass Cylinder Knurled Threaded Round Insert Embedded Nuts

M2 / M3 Brass Cylinder Knurled Threaded Round Insert Embedded Nuts 100PCS

M4 Outer Diameter 5mm/6mm Brass Knurled Nuts Threaded Round Insert Embedded Nuts

1/4"-20 Brass Knurled Threaded Nuts Round Insert Embedded Nut 6*8mm Through Hole

M8 8mm Outer Diameter 10mm Brass Knurled Nuts Threaded Round Insert Embedded Nut

M3 Outer Diameter 4mm/5mm Brass Knurled Nuts Threaded Round Insert Embedded Nuts

M2 M2.5 Metric Solid Brass Knurled Nuts Threaded Round Insert Embedded Nuts

M5 Outer Diameter 6mm/7mm Brass Knurled Nuts Threaded Round Insert Embedded Nuts