CD-132 Capacitor Discharge Stud Welding Machine for M3 M12 Studs Insulation Nail Welding Metal Nail Machine. Instantaneous Welding Process: Completes welding in milliseconds with minimal heat impact to prevent deformation. Intelligent Digital Control: Allows precise adjustment of welding current and time for stable results. Wide Material Compatibility: Supports carbon steel, stainless steel, galvanized steel, and aluminum. No Pre-Drilling Required: Eliminates tapping steps, reducing labor and material costs significantly. Strong Metallurgical Bond: Delivers high tensile strength and vibration resistance for thin sheets. Compact Portable Design: Easy to operate with air cooling and minimal spatter or smoke. Customization Options: Supports LOGO, color, and appearance size customization upon request. 1-Year Warranty Coverage: Provides comprehensive warranty protection for the CD-132 stud welder.