M3 Brass Copper Metric Threaded Round Knurl Insert Embedded Nut OD 4 / 5mm

M4 Brass Copper Metric Threaded Round Knurl Insert Embedded Nut OD 5 / 6mm

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

M3 M4 M5 Brass Metric Threaded Round Cylinder Knurled Nut Insert Embeded Nut

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

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

100pcs M3 Threaded Inserts Brass Heat Set Insert M3x3mm, OD 5mm Knurled Nuts

Knurled Insert Nut M2 x 6mm L x 3.5mm OD Female Thread Brass Embedded Nut 60Pcs