DIN 571 zinc plated 6x60-8000pcs 6x50-5000pcs 8x50-5000pcs 8x60-20000pcs 8x70-20000pcs 8x80-10000pcs 8x90-5000pcs 8x100-5000pcs 8x120-5000pcs 8x180-1000pcs 8x200-1000pcs 10x140-2000pcs 10x200-2000pcs 10x300-500pcs DIN 933 8.8 zinc plated 10x80-1000pcs 12x40-1000pcs 12x50-1000pcs 12x60-1000pcs 12x70-500pcs 14x40-500pcs 16x50-1000pcs 16x60-1000pcs 16x70-1000pcs 16x80-1000pcs 20x70-500pcs 6x20-1000pcs 6x30-600pcs 8x20-5000pcs 8x30-4000pcs 8x40-2000pcs DIN 9021 zinc plated m6-20000pcs m8-50000pcs m10-25000pcs DIN 934 8.8 zinc plated m6-20000pcs m8-40000pcs m10-40000pcs DIN 7504k con rondella neoprene 6.3x25-30000pcs 6.3x32-20000pcs 6.3x40-15000 6.3x60-3000 6.3x75-5000 6.3x120-5000pcs small colour box then in cartons