5 of M5 x 10mm Hard Steel Cup Point Grub Socket Set Screws 45H Zinc Plated

Zinc plated high-strength steel, cup point grub screws 45H Rockwell hardness - hardest available grade (available hardnesses 14H, 22H, 33H, 45H). M5 thread (d). 10mm overall length (L). 2.5mm hex socket (s).

eBay