SANWA IRON (THAILAND) CO.,LTD
Inspection process for in-process and final product shall be accordance with acceptance criteria including Diameter and length of product by Carlipers, Micrometer, etc.
To be confirmed threads of the bolt on rolling process and Nut accordance with standard of reference by Go-NoGo Ring gauges and Thread plug gauges.
To be confirmed appearance Marking, Chamfering, Cutting surface, thread surface and surface coated of product and packing apperance.
