machine screw Size:M3.5-6 Material: Stainless steel 1018 Standard:ASTM, JIS, BS, AS, ISO, GB, Nonstandard bolt High quality Countersunk Head Nylok machine Screw model numberM3.5-6Brand NamePhoriaOriginal of PlaceSuzhou ChinaMaterial1018,Carbon Steel, Material: carbon steel, stainless steel, brassdiameter(mm)7.0Length(mm)6.0Port of LoadingShanghai ChinaPurchasing NoticePlease let's know the size, ...