Description: 1. Feature:hex head, female threaded inside. 2. Widely used to fasten the device which required insulation, used with hexagonal bolts, screws and other ranges of plastic bolts and screws.
Description: 1. Feature:hex head, female threaded inside. 2. Widely used to fasten the device which required insulation, used with hexagonal bolts, screws and other ranges of plastic bolts and screws.