Hexagon nuts ISO 4032 Steel class 8.8 Black M3: 1000 pcs. M4: 1000 pcs. M5: 2000 pcs. M6: 2500 pcs. M8: 60000 pcs. M10: 10000 pcs. M12: 25000 pcs. M14: 30000 pcs. M16: 6000 pcs. M20: 2000 pcs. M30: 500 pcs. M36: 1500 pcs. M42: 2000 pcs. M48: 2500 pcs.