Specification:Product Name: Hex Head PlugMaterial: BrassColor: Gold ToneWeight: 44gThread Size: 3/8" GThread Length : 0.31 -inch =8mmHex Width :0.67-inch =17mmHex Thickness : 0.16-inch =4mmTotal Size: 17 x 12mm / 0.67-inch x 0.47-inch (W*H)Operating temperature:-50 - 120 Degree Celsius Package Content :4pcs x Hex Head Plug Description:1.This round drive countersunk plug is a brass pipe fitting with 3/8" male G threads.2.The countersunk plug with a round drive inserts into a pipe or fitting to close and terminate its end and has a recessed round head for increased bearing load.3.It has male National Pipe Taper (G) threads for connecting to female threaded pipes, creating a tighter seal than straight threads.4.This fitting is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Brass can be connected to copper, brass, plastic, aluminum, and welded steel.5.The round drive countersunk plug has fair vibration resistance and is suitable in low to medium pressure applications.6.Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries.