... 808 spot gun offers exterme welding power for both two sided and single sided welding. It has a built-in pneumatic features ... applications, such as spot hammer welding, carbon shrinking, single sided welding, moulding clip and rivet welding as well as but ... welding.Function:CGS-808 is designed to handle:Two side spot weldingSingle sided weldingSpot hammer weldingNut and bolt weldingCarbon and contact ...