The threaded, galvanized steel body with a locking position ensures secure and stable assembly and the ability to lock the plunger in place. The galvanized steel tip ensures good mechanical resistance. The knurled handwheel in black, fiberglass-reinforced thermoplastic offers a secure and comfortable grip.
Spring plunger. Galvanized steel threaded body, with locking position. Galvanized steel pin.
The PRA spring plunger is a versatile component, designed for applications requiring precise push and secure locking. Made with a threaded, zinc-plated steel body with a locking position and a zinc-plated steel tip, it offers a good balance between strength and cost.
Some examples of applications for the PRA spring piston:
Metal stairs
Exercises and bicycles