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Copper Insert Nut

70 items。🔍 Filter in the interactive catalog

About this category

Brass threaded inserts, pressed or heat-set into plastic so that a plastic housing can take a metal screw and be assembled and stripped repeatedly without stripping the thread. Sized as thread x length (outside diameter), e.g. M1.6*2.5 (OD 3.2). Common in plastic enclosures, 3D printed parts and electronics. From M1.6 up, usually with several lengths and outside diameters per thread size.

How to choose

All three figures matter: thread sets the screw, OD sets the pilot hole, length sets the depth.
For heat setting, control temperature and press speed - too fast and the plastic cannot flow, so grip suffers.
A larger OD grips better at the same thread, but the wall must be thick enough or it will crack.

Specifications at a glance

This category lists 69 items. Material and type coverage below — all stocked in Taiwan.

Unit system	65 metric / 4 inch
Unit price	NT$ 3.5 – 42(excl. tax; 100% of items priced)

Copper Insert Nut M1*2 (OD 2)Copper Insert Nut M1.2*2 (OD 2)Copper Insert Nut M1.6*2 (OD 2.5)Copper Insert Nut M1.6*2.5 (OD 2.5)Copper Insert Nut M1.6*2.5 (OD 3.2)Copper Insert Nut M1.6*2.5 (OD 4)Copper Insert Nut M1.6*3 (OD 2.5)Copper Insert Nut M1.6*3 (OD 3)Copper Insert Nut M1.6*4 (OD 2.5)Copper Insert Nut M1.6*5 (OD 2.5)Copper Insert Nut M2*2 (OD 3)Copper Insert Nut M2*3 (OD 3)Copper Insert Nut M2*3 (OD 3.2)Copper Insert Nut M2*3 (OD 4)Copper Insert Nut M2*3.17 (OD 3.6)Copper Insert Nut M2*3.5 (OD 3.2)Copper Insert Nut M2*4 (OD 3.2)Copper Insert Nut M2*4 (OD 4)Copper Insert Nut M2*5 (OD 3)Copper Insert Nut M2*5 (OD 3.2)Copper Insert Nut M2*5 (OD 4)Copper Insert Nut M2*6 (OD 3.2)Copper Insert Nut M2*6 (OD 3.5)Copper Insert Nut M2*6 (OD 4)Copper Insert Nut M2*8 (OD 3.2)Copper Insert Nut M2.5*2 (OD 3.5)Copper Insert Nut M2.5*2.5 Copper Insert Nut M2.5*3 (OD 3.5)Copper Insert Nut M2.5*4 (OD 3.5)Copper Insert Nut M2.5*5.7 (OD 4.6)Copper Insert Nut M2.5*6 (OD 4)Copper Insert Nut M3*10 (OD 4.5)Copper Insert Nut M3*10 (OD 5)Copper Insert Nut M3*3 (OD 4)Copper Insert Nut M3*3 (OD 4.6)Copper Insert Nut M3*3 (OD 5)Copper Insert Nut M3*3.5 (OD 5)Copper Insert Nut M3*4 (OD 5)Copper Insert Nut M3*5 (OD 4)Copper Insert Nut M3*5 (OD 5)Copper Insert Nut M3*5 (OD 6)Copper Insert Nut M3*5.8 (OD 4.6)Copper Insert Nut M3*6 (OD 5)Copper Insert Nut M3*7 (OD 4.5)Copper Insert Nut M3*7 (OD 5)Copper Insert Nut M3*8 (OD 4)Copper Insert Nut M3*8 (OD 4.5)Copper Insert Nut M3*8 (OD 5)Copper Insert Nut M3*8 (OD 6)Copper Insert Nut M3*9 (OD 4.5)Copper Insert Nut M3*9 (OD 5)Copper Insert Nut M4*10 (OD 5)Copper Insert Nut M4*10 (OD 6)Copper Insert Nut M4*4 (OD 6)Copper Insert Nut M4*6 (OD 5)Copper Insert Nut M4*6 (OD 6)Copper Insert Nut M4*6 (OD 6.3)Copper Insert Nut M4*8 (OD 6)Copper Insert Nut M4*8.1 (OD 6.35)Copper Insert Nut M5*10 (OD 8)Copper Insert Nut M5*6 (OD 6.5)Copper Insert Nut M5*6 (OD 7)Copper Insert Nut M5*8 (OD 7)Copper Insert Nut M5*8 (OD 7.5)Copper Insert Nut M5*8 (OD 8)Copper Insert Nut M5*9.5 (OD 7)Copper Insert Nut M6*12.7 (OD 8.7)Copper Insert Nut M8*10 (OD 10)Copper Insert Nut M8*12 (OD 10)Copper Insert Nut M8*8 (OD 10)