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Description
Technical data for the M2 left-hand die
| Technical data | |
|---|---|
| Thread to Be Cut d1 | M2 |
| Thread Pitch P | 0.4 mm |
| Outside Diameter d2 | 16 mm |
| Thickness h1 | 5 mm |
| Number of Chip Holes | 3 |
| Required Shaft Diameter | 1.95 mm |
M2 left-hand HSS die – a precision tool for microscopic left-hand threads
The M2 left-hand HSS die is a specialized tool for producing external left-hand threads with a diameter of 2 mm and a pitch of 0.4 mm. The compact construction measuring 16 x 5 mm is suitable for micromechanics, watchmaking, and precision instruments where joints resistant to self-loosening are required.
Key features of the M2 left-hand die for professional applications
- Left-hand geometry (LH) provides counterclockwise threading – essential in mechanisms requiring protection against loosening
- HSS high-speed steel allows machining of materials with strengths up to 800 MPa, including stainless steels and brass
- Miniature dimensions of 16 x 5 mm allow precise work in confined spaces and with delicate components
- Tolerance 6g according to DIN 22 568 ensures an accurate fit with standard nuts
- Chamfered threaded bore (form B) facilitates centering on thin rods and wires
The M2 left-hand die is used in the production of clock mechanisms, precision optics, model making, and the assembly of miniature adjustment screws. It is also suitable for electronic components requiring protection against vibration-induced loosening. Choose a tool for special tasks – M2 LH HSS die ensures repeatability and precision even in the smallest left-hand thread diameters.
Frequently asked questions
M2 left-hand threads are used in watchmaking, precision optics, and electronics – wherever vibration could cause a right-hand threaded joint to loosen on its own.
Left-hand tools have the "LH" designation stamped on the surface. You can also see that the threads run in the opposite direction to those in standard versions.
Standard die stocks for dies with a diameter of 16 mm are fully compatible. The only difference is the operating technique – rotation is counterclockwise.
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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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