Hexagon Socket Set Screws. How to Measure the Resistance?
The stainless steel hexagon socket set screws, commonly without head, cannot be subject to the resistance test like other screws. As such, our producers follow the ISO 3506-3 standard which provides 21H strength class. This standard refers to the mechanical properties of connecting elements in corrosion-proof stainless steel. As with Grub screws. The different classification […]