Plastic plugs and caps 

Caps for internal threads 

Plastic threaded caps / plugs, screwed in by hand, are used for temporary plugging of hoses, outlets, and inlets of directional control valves, cylinders, etc. These caps do not carry pressure loads in systems. Useful in repairs and transport as protection against contamination. Various colors available, packed randomly. 

Plastic hydraulic plugs and caps

A plastic hydraulic cap is an element whose task is to effectively protect the threads in hose ends and in various types of hydraulic fittings. Thanks to its design, it protects the system against dust, grime, dirt, or moisture, which could lead to damage, corrosion, or difficulties in subsequent assembly. The offer includes both a plastic threaded plug and a male threaded cap, allowing the solution to be matched to a specific type of connection.

Construction, characteristic features

Plastic plugs and caps are lightweight, durable, and resistant to mechanical damage. Their simple assembly and disassembly make them perfect for daily use. Thanks to their appropriate shape and thread fit, they ensure tightness and thus effective protection of the hydraulic system during transport, storage, or assembly work.

Application of plastic plugs and caps

Plastic hydraulic caps and plastic threaded plugs are used in many situations: in storage and transport of hydraulic hoses, when protecting fittings against contamination, in protecting installation elements against moisture, dust, and grime, during assembly or servicing of power hydraulic systems.

Wide selection of plastic plugs and caps

Why choose plastic plugs and caps at Hydron ? Hydron offers a wide range of hydraulic accessories, including male threaded caps and plastic plugs that meet the requirements of professionals. All products have been carefully selected to ensure reliability, protection, and comfort of use. Thanks to large stock levels and fast deliveries, customers receive proven solutions whenever they are needed. 

Plastic cap with internal thread

Plastic screw-in plugs designed for plugging internal threads in hydraulic hoses, directional control valves, or other elements with internal threads. The main task of the plugs is protection against contamination ( against dust, dirt, etc. ) The offer includes plugs with inch threads ( for example 1/2 inch, 3/8 inch ), plugs with metric threads ( for example m12, m14, m16, m18 ), and plugs with American UNF threads ( 3/4" inch, 7/8" inch" ) Our offer also includes threaded plugs made of galvanized steel and plugs made of stainless steel ( acid-resistant ). We have both hex socket plugs ( Allen ) as well as hex head plugs