Fine thread (metric) ISO DIN 13-5

The fine thread ISO DIN 13-5 has a smaller pitch than the coarse thread, which increases its elasticity. This thread is used, for example, for adjusting screws in measuring instruments, which allows for more precise settings. The designation consists of the letter M, nominal diameter and pitch, angle of inclination 60°. Pitch 1 mm, 1.25 mm.