Black PA GF30 Knurled Screw - Thread Length 10.0 mm | 0.394 in; Thread Size M4; Head Diameter 13.0 mm | 0.512 in

This Thumb Screw with Knurled Plastic Head provides a secure solution to fasten or adjust components that must be removed regularly without the need for tools. It offers electrical isolation, corrosion resistance, and durable. Black, made from PA.