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Threaded plug M10X1 A PN-M-73124

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Threaded plug M10x1 A PN-M-73124

Threaded plug M10x1 A PN-M-73124 is a steel hydraulic plug designed for closing compatible holes with M10x1 internal thread. The product is manufactured according to Polish Standard PN-65/M-73124 and belongs to variety A, mounted using a wrench. It is used, among others, in hydraulic directional control valves, flow dividers and other components equipped with appropriate threaded holes.

The plug is made of free-cutting steel protected by zinc plating with white passivation. Working pressure is 315 bar, and the operating temperature range covers from -20°C to +120°C. The M10x1 metric thread has a nominal diameter of 10 mm and a pitch of 1 mm. It is a solution designed for plugging ports in power hydraulic systems where proper closing of an unused hole is required.

Technical parameters of the M10x1 A threaded plug

Product type: hydraulic plug, threaded cap.
Thread size: M10x1.
Thread type: external, metric fine thread.
Nominal thread diameter: 10 mm.
Thread pitch: 1 mm.
External thread diameter: 9,7–9,9 mm.
Internal thread diameter: 8,2–8,6 mm.
Design variety: A.
Standard: PN-65/M-73124 – threaded plugs.
Working pressure: 315 bar.
Operating temperature: from -20°C to +120°C.
Material: free-cutting steel.
Surface protection: zinc plating with white passivation.
Mounting method: using a wrench.
Intended use: plugging compatible threaded holes.
Example application: hydraulic directional control valves and flow dividers.

Application of M10x1 plug in power hydraulics

The M10x1 threaded plug is used to close appropriately matched threaded holes in hydraulic installation components. It can be used during equipment assembly, maintenance work, repairs and plugging unused ports.

Typical applications for this product group include holes in the bodies of hydraulic directional control valves, flow dividers and other hydraulic components. Before assembly, the thread compatibility, hole design and required sealing method should be checked.

Metric thread M10x1 – dimensions and identification

The designation M10x1 informs about a metric thread with a nominal diameter of 10 mm and a pitch of 1 mm. It is a fine thread, the pitch of which differs from the pitch of a standard M10 ordinary thread.

The product card provides an external thread diameter of 9,7–9,9 mm and an internal diameter of 8,2–8,6 mm. These dimensions can be helpful when identifying a component and comparing it with an existing hydraulic port.

To recognize a thread, measure its diameter with a caliper and check the pitch with a metric thread gauge. When selecting a plug, both parameters should be verified, as compatibility of the nominal diameter alone does not guarantee a proper connection.

Variety A according to PN-65/M-73124

The M10x1 plug belongs to variety A of threaded plugs manufactured according to Polish Standard PN-65/M-73124. This is a design intended for wrench operation, used when plugging appropriate threaded holes.

When choosing, both the design variety and the thread size should be taken into account. A wrench-operated plug should not be automatically identified with an Allen plug or a plug equipped with a factory-fitted ED seal.

Working pressure 315 bar

For the M10x1 A threaded plug, a working pressure of 315 bar is specified. This is an important parameter when selecting a component for a hydraulic installation, especially if the plugged hole will remain under pressure during equipment operation.

It should be remembered that the permissible pressure of the complete connection also depends on the matching body, the sealing method and other system components. Before application, compatibility of all connection parts with the required working conditions must be confirmed.

Operating temperature from -20°C to +120°C

The operating temperature range specified for the plug is from -20°C to +120°C. This parameter should be considered when selecting a plug for the operating conditions of a specific hydraulic installation.

If an additional sealing element is used, its temperature resistance and compatibility with the hydraulic medium must also be checked. The parameters of the complete connection may be limited by the seal used.

Free-cutting steel and zinc plating with white passivation

The M10x1 A plug is made of free-cutting steel. The steel element is covered with a galvanic coating in the form of zinc plating with white passivation, which limits the surface's susceptibility to corrosion.

Such a design is used in steel hydraulic fittings. When choosing a product, the operating environment, medium properties and material requirements of the matching installation components should be taken into account.

Sealing of the M10x1 threaded plug

Correct closing of a hydraulic hole requires not only matching the thread, but also an appropriate sealing method. In the case of threaded plugs, the geometry of the contact surface and the design of the port being plugged are important.

Before assembly, it should be determined whether a given connection requires a separate sealing washer and what type is intended for a specific connection. It should not be assumed that simply screwing in the M10x1 plug will ensure the tightness of the hydraulic system.

M10x1 wrench plug vs VSTI M10x1 ED plug

Threaded plug M10x1 A PN-M-73124 and VSTI M10x1 ED plug are different design solutions used for plugging hydraulic holes. Variant A is intended for wrench operation, while the VSTI ED plug has an Allen socket and an elastomeric seal.

When choosing, one should be guided by the port design and the required sealing method. Compatibility of the M10x1 thread size alone does not mean that both types of plugs can be used interchangeably.

How to choose an M10x1 A plug for a port?

The first step is to check if the hole has an M10x1 internal thread. The nominal diameter of 10 mm and pitch of 1 mm should be confirmed, and the design of the matching surfaces verified.

The next criteria are the operating parameters: pressure 315 bar and temperature range from -20°C to +120°C. The correct sealing method should also be determined and access to the mounting site with a wrench should be checked.

Assembly and leak check of the M10x1 plug

Before assembly, the device must be turned off and the hydraulic installation safely depressurized. Then the threaded hole must be cleaned and the condition of the plug thread and sealing surfaces checked.

The plug should be mounted in a compatible M10x1 hole, using a seal appropriate for the port design. Tightening should be carried out according to the technical requirements of a given connection. After assembly is complete, correct fastening and tightness should be checked under safe conditions.

Technical specification

Parameter	Value
Product name	Threaded plug M10x1 A PN-M-73124
Product type	Plug, hydraulic cap
Thread	External M10x1
Nominal diameter	10 mm
Thread pitch	1 mm
External thread diameter	9,7–9,9 mm
Internal thread diameter	8,2–8,6 mm
Standard	PN-65/M-73124
Variety	A, wrench-operated
Working pressure	315 bar
Operating temperature	From -20°C to +120°C
Material	Free-cutting steel
Surface protection	Zinc plating with white passivation
Intended use	Plugging compatible threaded holes

Frequently Asked Questions (FAQ)

What thread does the M10x1 A plug have?

The plug has an external metric thread M10x1 with a nominal diameter of 10 mm and a pitch of 1 mm. The external thread diameter given on the product card is 9,7–9,9 mm.

What is the working pressure of the M10x1 plug?

For this variant, a working pressure of 315 bar is specified. Before application, the parameters of the matching hydraulic port should also be taken into account.

According to which standard is the plug manufactured?

The plug is manufactured according to Polish Standard PN-65/M-73124 regarding threaded plugs.

What is the application of the M10x1 A plug?

The product is used for plugging compatible threaded holes, among others in hydraulic directional control valves and flow dividers.

What material is the plug made of?

The plug is made of free-cutting steel protected by zinc plating with white passivation.

Are M10x1 A and VSTI M10x1 ED plugs interchangeable?

They should not be treated as automatically interchangeable. They differ in design and assembly method, and the application also depends on the required sealing of the port.