Field of Activity:
Standardization of:
- Dimensions, tolerances, mechanical and operational properties, test methods and acceptance procedures of metallic fasteners, considering a fastener as any kind of product intended to mechanically join two or more structural items to perform a fixed or mobile joint or to essentially contribute to perform it, as screws, bolts, studs, nuts, washers, nails, pins and rivets;
- Series of interchangeable threads, including tolerances and verification, in each field of application, with a minimum sort of basic profiles, pitches and diameters.
Excluding:
- Fasteners for aerospatial applications;
- Special purpose screws, keys and fasteners specially used in rolling bearings;
- Pipe threads and aerospatial threads.