You can buy online Grub Screws (Socket Set Screws) Cup Point from our online store.
Material: A2 Stainless Steel.
Our Grub Screws are offered to DIN916 standard.
Link for these screws is below.
https://springfasteners.co.uk/product-category/screws/grub-screws-set-socket-screws-iso-4026-a2-stainless/