... 1018 Standard:ASTM, JIS, BS, AS, ISO, GB, Nonstandard bolt High quality Countersunk Head Nylok machine Screw model numberM3.5-6Brand NamePhoriaOriginal ... supply the Drawing or Photos or Samples to us 1.High quality, competitive price 2.As many factory use stainless steel 200 ... will be possible to be Wrench slipping in the process of using. In order to ensure our quality, we will test it ...