Grub Screws (Stainless Steel Alloy And Hightensile Screw) Grub Screw ( Stainless Steel Alloy / Hightensile Screw ) Our grub screws are available with the following features: DIN : 913,914,915,916 Range : Dia - M 3 TO M 20 SCM 435/stainless steel Contact Us Enquire Now