Machine screw 1. SPC. :M1.2-M8, length from 1-150mm 2.Manfacture:OEM 3.Certification: TS16949, ISO9001 Machine screw1. all screws from M1.2-M8, length from 1-150mm can be customized.2.To produce according to different standards: BS, GB, JIN, ANSI, DIN and non-standard.3. Any other requirments, pls emai to us. We wil reply to you in earliest time. Pan head Steel Machine Screw