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Description
Technical data die M20
| Technical Data | |
|---|---|
| Thread size D1 | M20 |
| Thread Pitch P | 2.5 mm |
| Outside Diameter D2 | 45 mm |
| Thickness H1 | 18 mm |
| Number of Chip Holes | 5 |
| Required Shaft Diameter | 19.79 mm |
Die M20 HSS – threading for large structures
The M20 die is a tool for cutting external threads on massive components of industrial structures and heavy machinery. Manufactured from high-speed steel (HSS) according to DIN 22568, M20 threading die it is used to cut threads on foundation rods, transmission shafts, and bearing pins in the power industry, mining, and industrial construction, with a tolerance of 6g and a pitch of 2.5 mm.
Advantages of the M20 HSS die
- Size for heavy structures used in turbine foundations, steel bridges, and mining equipment
- HSS withstands the extreme loads generated when threading large steel cross sections
- Joint load capacity above 70 kN enables load transmission at critical structural joints
- DIN 22568 confirms compliance with international machine building standards
- Essential in industrial equipment manufacturing plants and steel structure assembly halls
Welders of large structures and power machinery assemblers use the M20 metric die in strategically important infrastructure projects. The tool is used in the construction of power plants, petrochemical plants, drilling platforms, and hydraulic engineering structures. Choose a professional tool that ensures safe, durable joints in the most critical engineering structures.
Frequently asked questions
The M20 thread is used in foundation anchoring for wind turbines rated above 2 MW, in column-to-beam joints in load-bearing structures of industrial buildings, in steel bridges for assembling span segments, and in petrochemical installations for securing pressure vessels. It is also used in infrastructure construction, including railway viaducts, electrical substations, and container transshipment ports.
A steel rod with a diameter of 19.70-19.75 mm should be turned to achieve ideal cylindricity within a tolerance of 0.10 mm. The material must be free of scale, rust, and structural defects. Machine a lead-in chamfer on a lathe or grinder over a length of 6-8 mm at an angle of 45°. Check the material hardness with a hardness tester - the optimum range is 180-240 HB. Materials with a hardness above 30 HRC require soft annealing before threading.
Manual M20 threading requires considerable physical force and is practical only for threads shorter than 30 mm in aluminum or soft steels. For production applications, machine threading is strongly recommended - on a lathe with a compensating holder, on a CNC milling machine with a threading module, or using an electric threading machine. Cutting long M20 threads by hand in structural steel is physically exhausting and increases the risk of producing a thread that is not parallel to the rod axis.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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