4.8 grade national standard external hexagon bolt screw white zinc plated m6m8m10m12m14m16m18m20m22m24m27

m6 (diameter 6mm) 2.50kg m8 (diameter 8mm) 2.50kg m10 (diameter 10mm) 2.50kg m12 (diameter 12mm) 2.50kg m14 (diameter 14mm) 2.50kg m16 (diameter 16mm) 2.50kg m18 (diameter 18mm) 2.50kg m20 (diameter 20mm) 2.50kg 8*25(10 trials)

length 10mm length 12mm length 16mm length 20mm length 25mm length 30mm length 35mm length 40mm length 45mm length 50mm length 55mm length 60mm length 70mm length 80mm length 90mm length 100mm length 110mm length 120mm length 130mm length 140mm length 150mm length 160mm length 180mm length 200mm