BS 7052:1989 - British Standard Specification for - Round head grooved pins
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
"This British Standard specifies the requirements for round head grooved pins used in mechanical engineering for fastening and locating purposes. It covers dimensions, tolerances, materials, mechanical properties, and performance criteria to ensure the reliability and interchangeability of these pins in various engineering applications."