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Die M70X1.5 HSS DIN 22 568 Cztool
Net price: €197.37
Description
Technical data for the M70x1.5 die
| Technical data | |
|---|---|
| Thread size D1 | M70x1.5 |
| Thread Pitch P | 1.5 mm |
| Outside Diameter D2 | 120 mm |
| Thickness H1 | 22 mm |
| Number of Chip Holes | 9 |
| Required Shaft Diameter | 69.85 mm |

Die M70x1.5 HSS DIN 22 568 – metric fine thread for large diameters
The M70x1.5 die combines large dimensions with a metric fine thread, making it a distinctive tool for specialized industrial applications. Made of high-speed steel (HSS) with a hardness of 64 HRC, it enables precise cutting of external threads with a diameter of 70 mm and a fine pitch of 1.5 mm. This pitch, significantly smaller than the standard pitch for this diameter, provides increased thread contact area and improved vibration resistance. Compliance with DIN 22 568 and tolerance 6g guarantee proper mating with 6H nuts in large precision mechanisms.
Key features of the M70x1.5 metric fine thread die
- Metric fine thread with a pitch of 1.5 mm at a diameter of 70 mm – an unusual combination providing increased fatigue strength and connection leak tightness in applications exposed to dynamic loads
- HSS material, 64 HRC – the high hardness of high-speed steel allows prolonged thread cutting in structural steels with a tensile strength Rm of up to 800 MPa without loss of sharpness
- Precision of tolerance 6g – standard accuracy grade with controlled clearance ensures a proper fit in precision mechanisms requiring dimensional stability at large diameters
- Solid round construction – one-piece construction without segments eliminates cumulative errors and ensures dimensional repeatability in series production of large components
- Applications in precision engineering – the combination of a large diameter and a fine pitch is used in aerospace, nuclear power generation, and structures requiring high reliability
This tool is designed for specialized workshops serving industries with the most demanding quality requirements. The M70x1.5 die is suitable for manufacturing turbine components, precision shafts, and critical structures where a standard thread would not meet strength requirements. Due to the combination of a large diameter and a fine pitch, threading requires proper material preparation, secure clamping, and high-quality cutting fluids to minimize cutting forces.
Frequently asked questions
Metric fine threads at large diameters are used in applications requiring increased vibration resistance, improved sealing, or precise tightening adjustment. A greater number of threads per unit length improves the strength characteristics of the joint under fluctuating loads.
The initial diameter should be between 69.6 and 69.7 mm. For metric fine threads, material preparation tolerances are critical – even small deviations can significantly affect profile quality and the torque required for cutting.
Large-diameter metric fine threads are used in aerospace (landing gear and shaft components), power generation (high-speed turbines), the nuclear industry (critical components), and precision machinery requiring the highest reliability of large threaded joints.
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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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