This International Standard specifies the characteristics of coiled, standard duty spring-type straight pins made of steel or of austenitic or martensitic stainless steel, with a nominal diameter, d1, of from 0,8 mm to20 mm inclusive.NOTE Spring-type straight pins, coiled, heavy duty, and spring type straight pins, coiled, light duty, are the subjects of ISO 8748 and ISO 8751, respectively.