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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.
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 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.
Thread type: M - ISO Metric Coarse Thread DIN 13. Overview table, specification and cross section. With our "ISO metric thread M to DIN 13" table, you always have all the important key data for this thread type to hand and clearly arranged at a glance.
ISO Metric Fine Thread DIN 13-2. Compared to standard threads, a fine thread has a smaller pitch which increases the resilience. It is used e.g. for adjusting screws in measuring instruments because it allows for finer settings. The term consists of the letter M, the nominal diameter and the pitch, the flank angle is 60°.
1 Νοε 1999 · It specifies the nominal sizes for 1 mm to 68 mm diameter coarse pitch threads having the basic profile specified in DIN ISO 68-1 and the nominal profile specified in DIN 13-19. This standard applies to general purpose ISO metric screw threads.
