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Description
Technical data die M18
| Technical Data | |
|---|---|
| Thread size D1 | M18 |
| Thread Pitch P | 2.5 mm |
| Outside Diameter D2 | 45 mm |
| Thickness H1 | 18 mm |
| Number of Chip Holes | 5 |
| Required Shaft Diameter | 17.79 mm |
M18 HSS die – a tool for threading large diameters
The M18 die is an advanced threading tool designed for machining massive structural components and heavily loaded joints. Manufactured from high-speed steel (HSS) in accordance with DIN 22568, M18 threading die it enables precise cutting of external threads on large-diameter bars made of steel, cast iron, and nonferrous metals used in power generation, mining, and hydraulic engineering, with a tolerance of 6g and a pitch of 2.5 mm.
Advantages of the M18 HSS die
- Increased thread strength enables loads exceeding 50 kN to be carried in foundation connections and structural joints
- HSS steel withstands the intense thermal loads generated when machining thick sections
- Pitch 2.5 mm optimizes assembly speed while maintaining high joint load capacity
- Flute geometry designed to evacuate large volumes of metal chips
- Used in toolrooms for heavy steel structures and in assembly plants
Assembly engineers and welders working on large structures rely on the M18 metric die when carrying out infrastructure projects. A proven tool in shipbuilding, steel bridge construction, and turbine foundation installation at power plants. Invest in a professional tool that meets the demands of the most complex structural projects requiring reliable threaded joints.
Frequently asked questions
The M18 thread is predominantly used in steel bridges to connect load-bearing components, in wind farms to secure tower sections, in seaports to build quays and mooring piers, and in the petrochemical industry as pressure vessel anchors. It is also used in hydraulic engineering for sluice gates and canal locks. M18 joints carry static loads of up to 60 kN in property class 10.9.
The bar diameter for an M18 thread with a pitch of 2.5 mm should be 17.70-17.75 mm. Due to the large cross section, preparatory turning is recommended to achieve perfect material cylindricity. Cylindricity deviation must not exceed 0.10 mm over a length of 100 mm. Machine a lead-in chamfer over a length of 5-6 mm. Prepare the material with an additional 1-2 mm in length because threading all the way to the end of the bar is difficult.
Manual M18 threading is very physically demanding and is recommended only for short threads up to 25 mm in aluminum or soft steels. Production applications require a lathe with a compensating holder or a motor-assisted threading machine. Alternatively, a low-speed drill with a threading attachment can be used. Professional shops use CNC lathes with programmed threading for maximum precision.
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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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