Kelas akurasi tina séri TXR (stok standar tina sekrup bola kacangan tunggal) dumasar kana C5, Ct7 sareng Ct10 (JIS B 1192-3). Numutkeun kelas akurasi, Axial play 0.005 (Preload: C5), 0.02(Ct7) sareng 0.05mm atanapi kirang(Ct10) aya di stock. Runtuyan TXR (Stok standar tina Sleeve type single nut ball screw) tina screw shaft screw material S55C (induksi hardening), nut material SCM415H (carburizing and hardening), karasa permukaan bagian screw ball nyaéta HRC58 atawa saluhureuna.