Screws bolt Size:M4-25 Material: Stainless steel 1018 Standard:ASTM, JIS, BS, AS, ISO, GB, Nonstandard bolt Quick Release High quality Screw Bolts model numberM4-25 Brand NamePhoriaOriginal of PlaceSuzhou ChinaMaterial1018,Carbon Steel, Material: carbon steel, stainless steel, brassHat diameter(mm) 12.0 12.0-3.5-28.3Rod diameter(mm) 3.5Length(mm) 28.3Port of LoadingShanghai ChinaPurchasing ...