This standard outlines a quality assurance plan for internally and externally threaded fasteners and accessories or associated parts. Provisions are included for sampling plans, inspection frequencies, control procedures, and record keeping. The basic structure of this plan outlines the quality assurance provisions for fasteners for special purpose applications requiring in process controls. Included are fasteners produced by one manufacturing practice requiring records of in process and final inspection which are maintained by the producer.
ASME B18.18.4M-1987 history
0000 ASME B18.18.4M-1987(R1999)
1987ASME B18.18.4M-1987 Inspection and Quality Assurance for Fasteners for Highly Specialized Engineered Applications