Cylinder Compression Nuts

Product Name	Cylinder compression nuts
Material	Zamac
Surface	403
Size	Ø15x13mm M6

 

A cylinder compression nut is a type of threaded fastener specifically designed to apply compressive force onto a cylindrical component, such as a rod, tube, or piston shaft. Unlike standard nuts that simply clamp against a flat surface, compression nuts often feature a tapered or stepped internal geometry that engages with a corresponding sleeve, ferrule, or sealing ring. When tightened, they radially compress the cylinder or tube, creating a secure mechanical lock and/or a leak-proof seal.

 

Key Features:

Internal taper or recess – Presses a ferrule or sleeve against the cylinder wall.

High-strength threads – Usually metric or UNF (fine thread) for precise tension control.

Durable materials – Commonly made from carbon steel, stainless steel, or brass, sometimes surface-treated for corrosion resistance.

 

Typical Applications:

Hydraulic & pneumatic cylinders – Securing piston rods or end caps.

Compression fittings – Joining tubing in gas, water, or instrumentation lines.

Mechanical clamping – Locking cylindrical shafts in place without damaging the surface.

Automotive & industrial machinery – Brake systems, fuel lines, and actuator assemblies.

 

Factory Pictures:

 

Hot Tags: cylinder compression nuts, China, manufacturers, suppliers, factory, customized, buy, in stock