Overview Product Description Type - DIN562 Size - M4 Grade - A2 stainless steel Thread - Standard Metric Coarse Tpi 0.8 Product Videos Custom Field Product Reviews Write a Review Write a Review × DIN562 Metric A2 Grade Stainless Steel Square Nuts M4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *