| PRECISE SCREW | 870-0010 | 
| Travel, mm | 13 | 
| Thread step, mm | 0.5 | 
| Sensitivity, µm | 1 | 
| MICROMETER SCREW with reading marks | 870-0020 | 
| Travel, mm | 13 | 
| Thread step, mm | 0.5 | 
| Division value, mm | 0.01 | 
| Limit of permisibble error, µm | ± 4 | 
| 870-0010 870-0020 Precise and Micrometer Screws
						 332.3 kB  | 
					
Precise adjustment screw 870-0010 with 13 mm travel has 1 µm sensitivity and 0.5 mm thread step.
Micrometer screw 870-0020 with reading marks has the same travel and thread step as 870-0010. The division value of 870-0020 is 0.01 mm and limit of permissible error is ± 4 µm.