Основные нормы взаимозаменяемости резьба метрическая основные размеры

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)

( ISO 724:1993
ISO general-purpose metric screw threads —Basic dimensions(MOD)
I CN 2
1 2 3 4 5 6 II

1 2 3 4 Basic norms of interchangeability.
Metric screw thread. Basic dimensions
1 2 3 3.1 3.2 D — d — J 2 — 1
d — d 3 — 4 4.1
1 —
4.2 d 2 = d- 2 x^H=d- 0,6495 d = d-2x^ H=d- 1,0825 d 3 = d- 2 x^H=d- 1,2267 es ^3 2
3

8 6 76,103 73,505 72,639 4 77,402 75,670 75,093