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10.5 DIN 13 ISO Metric threads ISO Metric threads – DIN 13 (Thread limits for standard engagement lengths to UNI 5545-65) 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.
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.
The metric ISO standard thread is standardized according to the DIN 13-1 standard, which covers standard threads with an outer diameter of 1 to 68 mm. This standard was first defined back in 1949, but has been revised and updated many times since then.
ISO 724 - ISO general-purpose metric screw threads - Basic dimensions (DIN 13), the standard in Europe, is recognizable by its cylindrical outer and inner diameter and its precise outer diameter in millimeters.
ISO Metric Coarse Thread DIN 13-1. Specifications of International Thread Standards. This thread is a globally standardized thread, it replaces older metric thread and most threads with inch dimensions. The label consists of the letter M followed by a number indicating the nominal diameter, the flank angle is 60 °. Advertising:
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 ... M14 2 13.962 13.682 12.663 12.503 11.508 11.271 14.000 12.701 12.913 11.835 12.210
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.
