These induction coils will be designed according to your desire. the normal nut is M14*1.5, Special also can M16*1.5,M18*1.5
They are fit for most high frequency induction heater by Madeinchina.
if you need to order other size,please show these details:
1. size
2、number of turns
3、connector details(show some photos)
4、your heater photo and parameters.
