The History of NSS Fasteners (PTY) Ltd. NSS Fasteners (NSS) is a family business founded in 1978 to import socket screws into South Africa. Since then, the Company has been supplying the fastener industry with high quality products for over 41 years and has grown to become the largest importer and master distributor of all types of standard carbon and stainless-steel industrial fasteners in both Southern Africa and Africa. Products NSS Fasteners has a comprehensive range, with stock holding of over 10 000 products. We direct access to import an additional 30 000 more products, should customers require.