Designation of a cap nut form AF with thread                  d1 = M 64 made from 21CrMoV57

Cap nut AF M 64 DIN 2510 – 21CrMoV57

For cap nuts without bore d5 designation reads :

AFO M 64 DIN 2510 – 21 CrMoV57

  • d5 from M 64 upwards threaded with M 48×1,5 for hexagon socket screw plugs DIN 908.
  • Deliverable with fine pitch, higher grades, in stainless or other special material too.
  • Type, material and marking according to :  DIN 267 T2/T13