Polykarbonate piston - 16 steel teeth - RetroArms
A new generation of the popular piston with a steel comb. The piston body is made of Polyamide PA6.6 with 30% carbon fiber and 5% Molybdenum.
The steel comb is newly made of material 14260 (54SiCr6) which is spring steel. Before machining, the steel is annealed to remove internal stress, then the entire comb is milled on a CNC machining center and subsequently tempered by hardening. The hardness of the teeth is 52 - 54HRC, which is ideal because the teeth are hard, but at the same time flexible and not brittle.
Due to the Molybdenum additive used in the plastic, the plastic body of the piston is not lubricated, but is used dry. Most plastics degrade after contamination with oil or Vaseline, reducing strength. We recommend applying Vaseline only to the steel comb.
producer RetroArms CZ Model variants 6156 Guarantee 24 months Package weight 0.022 kg For gearbox type Universal
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