This Standard specifies the characteristics of heavy duty coiled spring-type straight pins made of steel or of austenitic or martensitic stainless steel, with nominal diameter, d1, from 1,5 mm to 20 mm inclusive.
NOTE: Spring-type straight pins, coiled, standard duty and spring type straight pins, coiled, light duty, are the subjects of prEN ISO 8750 and prEN ISO 8751 respectively.