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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. ...
This part of ISO 965 specifies a tolerance system for ISO general purpose metric screw threads (M) according to ISO 261. The tolerance system refers to the basic profile according to ISO 68-1.
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
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.
tolerances as specified in DIN 13 part 15. Limits of sizes for screw threads according to tolerance classes which are not included in this standard may be calculated from the deviations specified in DIN 13 part 27. For coated threads. the limits of sizes shall apply to the workpiece before coating. unleg otherwiw stated. Atter coat.
having to the tolerances for the period in which the threads are still in use, they have modified to conform to the ISO standard. The tolerances below have t*en taken from the January 1952 of D IN 13 Part 15.
