... 1.m3,m10,m12 forged plain lifting steel Eye Bolt 2.Material : stainless steel 3.Weight ... Zinc plat m3,m10,m12 forged plain lifting steel Eye Bolt Specification:1. Material: carbon steel 2. Dimensions ... .InspectionEquipmentsSpectrum analysis instrument, Metallurgical analysis, Tensile strength tester, Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale ...