Material, surface finish:
Screw in tempered steel, quality class 10.9, black or stainless steel, natural finish; ball in ball-bearing steel, hardened with natural finish or stainless steel, natural finish
Note:
Form A with full ball is used when a clean, polished pressure surface is required.
Further lengths have been designed especially so that Ball Pressure Screws can be glued up. They allow mechanical connecting elements with external thread to be made cost-effectively for small and medium-sized series.
Statements on load capacity are not valid for stainless steel versions.