NF E25-039-2006 紧固件.符合NF EN ISO 16047和NF EN ISO 2320规定的扭矩/夹持力试验和有效扭矩试验.参考试验条件(除油污法和试验垫圈)
Fasteners - Clamp/torque test and Prevailing torque test according to NF EN ISO 16047 and NF EN ISO 2320 - Reference test conditions (degreasing method and test washer).