M8x1.25mm Clip-On Nuts, A barrel with multiple threads ensures secure thread engagement. Also known as U-style clip-on nuts, these nuts firmly clip onto the edge of panels and stay secure. Stainless steel 18-8 (304) provides high corrosion resistance in wet environments. M8x1.25mm For Panel Thickness 2 to 4.8mm Material :Stainless steel 18-8 (304) 25 Pcs