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The limit dimensions for standard threads given in the table correspond to the - tolerance field 6g for bolt threads - tolerance field 6H for nut threads. The metric steel / metal threads specified in this catalog are based on these tolerance fields.
ISO Metric fine threads – DIN 13 (Thread limits) Nominal thread-Ø Gra-dient P Screw with tolerance of 6g Nut screw with tolerance of 6H Ø major d Ø pitch d 2 Ø minor d 1 Ø major D Ø pitch D Ø minor D max. min. max. min. max. min. min. max. min. max. min. max. M5 0.5 4.980 4.874 4.655 4.580 4.367 4.273 5.000 Not specified 4.675 4.775 4. ...
ISO METRIC THREADS - DIN 13 (thread limits) P (mm) Screw with tolerance of 6g Nut screw with tolerance of 6H Ø major d Ø pitch d2 Ø minor d1 Ø major D Ø pitch D2 Ø minor D1 max. min. max. min. max. min. min. max. min. max. min. max. M3 0.5 2.980 2.874 2.655 2.580 2.367 2.273 3.000 2.675 2.775 2.459 2.599
DIN. : 13 Part 13/20. Metric (ISO) screw thread, coarse series -M- Basic profile and limiting profiles. The bold lines indicate the maximum material profiles. The maximum material profile of the internal thread is the basic profile. = basic major diameter. = pitch. e series, fit 6H. = major diameter. = minor diameter external thread.
The limiting sizes for standard threads given in the table comply with - tolerance field 6g for bolt threads - tolerance field 6H for nut threads. The metric steel and metal threads specified in this catalogue are based on the tolerance fields given above.
The basic dimensions are nominal dimensions of a metric thread profile without allowance and tolerances (The thread class defines that). They are based on standard ISO 68-1. The basic dimensions can be used for design.
The metric steel and metal threads specified in this catalogue are based on the tolerance fields given above. For threads in plastic standard parts (without steel or me-