The precision steel machining parts are valve block, which were used in the field of aerospace. The material is steel, and the surface is satin polishing. For the custom steel machining parts, MOQ is 1000 PCS and the lead time is 30 days. The tight tolerance of the steel machining aerospace parts is +/-0.02MM, the surface roughness is Ra 0.8. If you have any inquiries for precision custom steel machining parts or precision steel machining aerospace parts, please do feel free to contact us and JST will your right choice.