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Die M7X0.5 HSS LH DIN 22 568
0000009083
Thread size: M7x0,566 sizes of this die
M4x0,5M6x0,8M7x0,5M9x1M10x0,75M10x1M10x1,25M11x1M12x0,5M12x1M12x1,25M13x1,25M14x1M14x1,25M14x1,5M15x1M15x1,5M16x0,75M16x1M16x1,25M16x1,5M18x0,5M18x1M18x1,25M18x1,5M18x2M20x1M20x1,5M20x2M22x1,5M22x2M24x1M24x1,5M24x2M25x1M25x1,5M26x1,5M27x1,5M27x2M28x1M28x1,5M28x2M30x1,5M30x2M30x2,5M30x3M32x1,5M32x2M36x1,5M38x1,5M40x1,5M42x1,5M48x1,5M48x2M48x3M50x1,5M52x1,5M56x1,5M70x1,5M70x2M72x1,5M72x4M75x1,5M75x2M76x1,5M82x1,5
€21.04 tax inc.
Net price: €17.11
Description
Technical data for the M7x0.5 left-hand die
| Technical data | |
|---|---|
| Thread size D1 | M7x0.5 left-hand |
| Thread Pitch P | 0.5 mm |
| Outside Diameter D2 | 25 mm |
| Thickness H1 | 9 mm |
| Number of Chip Holes | 4 |
| Required Shaft Diameter | 6.92 mm |
M7x0.5 left-hand HSS DIN 22 568 die – high-precision miniature left-hand thread
The M7x0.5 left-hand die is a specialized round tool made of high-speed steel (HSS) with a hardness of 64 HRC, combining a small diameter of 7 mm with a very fine pitch of 0.5 mm and a left-hand thread. This unique combination is used in precision engineering, measuring instruments, and equipment where a component rotates in a direction that could cause a standard right-hand thread to loosen. Compliance with DIN 22 568 and a 6g tolerance ensure proper fit with 6H left-hand nuts. Its miniature dimensions combined with a left-hand thread make this a highly specialized tool intended for precision shops and toolrooms specializing in precision engineering.
Key advantages of the M7x0.5 HSS left-hand die
- Left-hand thread with a pitch of 0.5 mm – the combination of miniature dimensions and a left-hand thread prevents loosening in precision rotary equipment while maintaining the highest accuracy
- Diameter of 7 mm for miniature components – this size makes the tool suitable for small rods, adjusting spindles, and pins in precision engineering, instrumentation, and optics
- HSS with a hardness of 64 HRC – provides long service life despite the small cutting edges when cutting left-hand threads in steels, aluminum, and brass
- 6g tolerance according to ISO – standard accuracy grade with controlled clearance ensures proper fit in precision mechanisms requiring the highest repeatability
- Solid round construction – construction without separate segments eliminates dimensional errors that are critical at small diameters and ensures stability during the delicate left-hand thread-cutting process
The M7x0.5 left-hand die is a tool for highly specialized shops working in precision engineering and the manufacture of measuring instruments and optical equipment. It is particularly useful for cutting left-hand threads on miniature adjusting spindles, pivot pins, and components where the direction of rotation during operation requires a left-hand thread. Due to the small dimensions, fine pitch, and left-hand thread, the cutting process requires exceptional care – perfect clamping, perpendicular die alignment, light lubrication with precision lubricants, and a highly qualified operator.
Frequently asked questions
The recommended stock diameter is 6.9 to 6.95 mm. With such a small diameter and very fine pitch, precise rod preparation is absolutely critical – even the slightest deviation can prevent proper thread cutting.
These threads are used in precision rotary tools (miniature grinders, dental equipment), measuring instruments (micrometers with rotating components), optics (lens adjustment mechanisms), and wherever the direction of rotation requires a left-hand thread while maintaining miniature dimensions.
The main challenges are the reversed direction of rotation, which requires the operator to retrain habitual movements, the extremely delicate cutting edges, which are easily damaged by excessive pressure, and the need for perfectly perpendicular die alignment. This requires the highest level of skill and experience in precision operations.
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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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