Hermle suspension spring screw (Pendelfederschraube) B026.07290, supplied complete with its compression spring — the thumbscrew that clamps the pendulum's suspension spring into the movement's suspension post.
⭐ At a glance
📏 M1.4 machine thread — trade sources quote two lengths (9.5mm and 11.5mm) for this part, so measure your old screw before ordering if exact length is critical
✅ Confirmed fit: Hermle calibres 451.050, 451.053, 451.053H
📦 Screw and compression spring supplied together, as pictured
✔️ Condition: unused commercial stock
Specifications
-
Brand: Hermle
-
Type: Screw (with suspension spring)
-
Compatible Brand: Hermle
-
Compatible Model: Hermle 451.050, Hermle 451.053, Hermle 451.053H
-
MPN: B026.07290
✅ Fits
Hermle calibres 451.050, 451.053 and 451.053H — Westminster chime, chain-driven, 3-weight movements.
This suspension spring type is also used across the wider Hermle 131 / 141 / 241 / 341 / 351 / 1151 calibre family, though this exact screw part number hasn't been independently confirmed against those calibres — treat as likely rather than guaranteed fit.
⚠️ Please check — confirm your movement's exact calibre (stamped on the backplate) matches one of the confirmed fits above, and measure your old screw's length before ordering.
