Standard for Thread Micrometer

  • Used for zero setting of thread micrometers.
  • With heat insulating handle to prevent heat expansion.
Standard for thread micrometer
Size(Lxα) Accuracy d
25mmX55° / 1"X55°±0.0030Ø7mm
25mmX60° / 1"X60°±0.0030Ø7mm
50mmX55° / 2"X55°±0.0035Ø7mm
50mmX60° / 2"X60°±0.0035Ø7mm
75mmX55° / 3"X55°±0.0040Ø8mm
75mmX60° / 3"X60°±0.0040Ø8mm
100mmX55° / 4"X55°±0.0045Ø8mm
100mmX60° / 4"X60°±0.0045Ø8mm
125mmX55° / 5"X55°±0.0050Ø8mm
125mmX60° / 5"X60°±0.0050Ø8mm
150mmX55° / 6"X55°±0.0055Ø8mm
150mmX60° / 6"X60°±0.0055Ø8mm
175mmX55° / 7"X55°±0.0060Ø8mm
175mmX60° / 7"X60°±0.0060Ø8mm
200mmX55° / 8"X55°±0.0060Ø8mm
200mmX60° / 8"X60°±0.0060Ø8mm