Fa'ailoga sa'o o fa'asologa o le TXR (fa'asoa masani o le fa'ato'aga fa'ato'a fa'ato'a fa'ato'a nati polo sikulima) e fa'avae ile C5, Ct7 ma le Ct10(JIS B 1192-3). E tusa ai ma le vasega saʻo, Axial taʻalo 0.005 (Mua uta: C5), 0.02(Ct7) ma 0.05mm pe itiiti(Ct10) o loʻo i totonu o faʻatau. Fa'asologa o le TXR (Standard stock of Sleeve type single nut ball screw) of screw shaft screw material S55C (induction hardening), nati mea SCM415H (carburizing and hardening), o le maaa o le pito i luga ole vaega ole polo o le HRC58 pe maualuga.