... ChinaMaterial1018,Carbon Steel, Material: carbon steel, stainless steel, brassdiameter(mm)7.0Length(mm)6.0Port of LoadingShanghai ChinaPurchasing NoticePlease let's ... the Drawing or Photos or Samples to us 1.High quality, competitive price 2.As many factory use stainless steel 200 or 400 ... . But we can promise that the material weuse is SUS304. 3.If the torsion of the screw is not qualified, it ...