Product Name: DIN934 Hex Nut Class 8 White Zinc Plated Cr3+ Model NO.: M20 Grade: 4.8&5.8&6.8&8.8&10.9&12.9 Standard: DIN Head Style: Hexagonal Connection: Common Bolt Type: Hexagon Head Material: Carbon Steel Process: Cold Forging,Hot Forging,Machining Trademark: STRONG BOLT Transport Package: Small Box & Bulk & Customizing Specification: M3-M60 Origin: Ningbo, China HS Code: 7318150000 Product Description ItemDIN934 Hex Nut Cl.8 BlackClass4 & 5 & 6 & 8 & 10MaterialCarbon Steel ,Alloy Steel,Stainless Steel and CopperSurface TreatmentBlack, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated.SizeM5M6M8M10M12M14M16M18M20M22M24M27M30M33M36M39Pitch0.81.01.251.51.752.02.02.52.52.53.03.03.53.54.04.0e(min)8.7911.0514.3818.9021.1024.4926.7529.5632.9535.0339.5545.2050.8555.3760.7966.44mw(min)2.963.764.916.117.718.249.8411.4411.9213.5214.1616.5618.1619.7621.8223.52S(max)8.0010.0013.0017.0019.0022.0024.0027.0030.0032.0036.0041.0046.0050.0055.0060.00S(min)7.789.7812.7316.7318.7321.6723.6726.1629.1631.0035.0040.0045.0049.0053.8058.80m(max)4.005.006.508.0010.0011.0013.0015.0016.0018.0019.0022.0024.0026.0029.0031.00m(min)3.704.706.147.649.6410.3012.3014.3014.9016.9017.7020.7022.7024.7027.4029.40