SRT054 Weldon DIN 1835 B Technical drawing Tool data ID D1 Ø d1 l1 l2 127413 M0.5-M4 20.00 59.0 75.0 Product range SRT054 SYNCHRO M0.5-M4 ID D1 Ø d1 l1 l2 127413 M0.5-M4 20.00 59.0 75.0