Brass Threaded Heat Set Insert Nut and Hexagon Allen Screw M2 M3 M4 Kit Hot Melt Copper Nut Bolt for Printing 3D Plastic Inserts

Brass Threaded Heat Set Insert Nut and Hexagon Allen Screw M2 M3 M4 Kit Hot Melt Copper Nut Bolt for Printing 3D Plastic Inserts

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