Precision rolled ACME threads have a 2G & 3G thread fit. The lead accuracy over the length of the rod is 0.006″ per foot.
Precision rolled UN V threads have a 2A and 3A thread fit. The lead accuracy over the length of the rod is 0.003″ per foot
Precision rolled TRAPEZOIDAL threads have a 7E thread fit. The lead accuracy over the length of the rod is 0.08mm per 30cm.
Precision rolled METRIC M threads have a 4G thread fit. The lead accuracy over the length of the rod is 0.08mm per 30cm.
