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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.
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.
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 965-1 - ISO general purpose metric screw threads -- Tolerances -- Part 1: Principles and basic data. Location tolerance zones relative to the zero line (nominal size) Basic tolerances for internal and external threads. Pitch P.
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.
ISO 965 consists of the following parts, under the general title ISO general purpose metric screw threads — Tolerances: — Part 1: Principles and basic data. — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality. — Part 3: Deviations for constructional screw threads.
