This standard BS EN ISO 8751:2007 Spring-type straight pins. Coiled, light duty is classified in these ICS categories:
21.060.50 Pins, nails
This International Standard specifies the characteristics of coiled light duty spring-type straight pins made of steel or of austenitic or martensitic stainless steel, with a nominal diameter, d1, from 1,5 mm to 8 mm inclusive.
NOTE Spring-type straight pins, coiled, heavy duty, and spring type straight pins, coiled, standard duty, are the subjects of ISO 8748 and ISO 8750, respectively.