PS CAT-MAS (pull stud) : CAT pull studs with MAS retention knobs.
SURFACE FINISH N5  HARDNESS 58-60 
  DesignationSSGD1D2D3d5LL1L2Fig.GICATGIREMgiic
  PS CAT40 45 M16 MAS1  40M16.606.394.512-.9952.2501.2744514503108 0
  PS CAT40 45 M16 MAS1 B  40M16.606.394.512.217.9952.2501.2744514503107 0
  PS CAT40 45 5/8 MAS1 B  405/8-11.590.390.512.217.9902.2501.2664514503110 0
  PS CAT40 45 5/8 MAS1  405/8-11.590.390.512-.9902.2501.2664514503093 0
  PS CAT40 60 5/8 MAS2 B  405/8-11.590.390.512.217.9902.2501.2666014503103 0
  PS CAT40 60 5/8 MAS2  405/8-11.590.390.512-.9902.2501.2666014503095 0
  PS CAT40 90 5/8 MAS3  405/8-11.590.390.512-.9902.2501.2669014503094 0
  PS CAT40 90 5/8MAS3 B  405/8-11.590.390.512.217.9902.2501.2669014503181 0
  PS CAT50 45 1" MAS1  501-8.906.670.827-1.3783.3461.7724514503091 0
  PS CAT50 45 1" MAS1 B  501-8.906.670.827.2361.3783.3461.7724514503112 0
  PS CAT50 45 1" MAS1 OBO  501-8.906.670.787.2361.3783.1501.7804524504764 0
  PS CAT50 60 1" MAS2  501-8.906.670.827-1.3783.3461.7726014503102 0
  PS CAT50 60 1" MAS2 B  501-8.906.670.827.2361.3783.3461.7726014503228 0
  PS CAT50 90 1" MAS3  501-8.906.670.827-1.3783.3461.7729014503092 0
  PS CAT50 90 1" MAS3 B  501-8.906.670.827.2361.3783.3461.7729014503113 0