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Your cart is empty. The return knob plunger is made of carbon steel, which has high hardness and corrosion resistance. The surface is blackened to prevent rust and is durable.
A spring plunger is used for positioning and indexing. The threads are clear and thin for precise positioning and equipped with nuts, which can be fixed in various mechanical equipment.
The Spring Plunger is an important part or component of the machine. Used to enhance the interlocking function of workshop machinery or adjust fitness equipment.
Widely used in various engineering machinery and equipment, trucks, film and television industry equipment, workshop machine tool production equipment, and other industrial fastener automatic equipment.
Eric Sokolowsky
Reviewed in the United States on September 14, 2024
I used this to replace a lost spring in the pop pin of my squat racks (they help hold weights for exercise). It fits perfectly! It seems like the M20 size is not as common as the M16 size, but I needed the M20 size. It's longer than I needed but the extra length is not a problem for me at all.
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