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ГОСТ 885-77 СВЕРЛА СПИРАЛЬНЫЕ. ДИАМЕТРЫ

ГОСТ 885-77 СВЕРЛА СПИРАЛЬНЫЕ. ДИАМЕТРЫ

Введен в действие постановлением Госстандарта СССР от 14 октября 1977 г. N 2443
Государственный стандарт Союза ССР ГОСТ 885-77
"СВЕРЛА СПИРАЛЬНЫЕ. ДИАМЕТРЫ"

Twist drills. Diameters

Срок введения установлен с 1 января 1979 г.

Взамен ГОСТ 885-64

1. Настоящий стандарт устанавливает диапазоны и градацию диаметров сверл.

Стандарт соответствует международному стандарту ИСО 235-1-75 в части диапазонов диаметров.

(Измененная редакция, Изм. N 1).

2. Градация диаметров сверл должна соответствовать приведенной в таблице.

мм

Диапазоны диаметров сверл

Градация диаметров сверл

Св. 0, 24 до 0, 30

0, 25; 0, 28; 0, 30

" 0, 30 " 0, 38

0, 32; 0, 35; 0, 38

" 0, 38 " 0, 48

0, 40; 0, 42; 0, 45; 0, 48

" 0, 48 " 0, 53

0, 50; 0, 52

" 0, 53 " 0, 60

0, 55; 0, 58; 0, 60

" 0, 60 " 0, 67

0, 62; 0, 65

" 0, 67 " 0, 75

0, 68; 0, 70; 0, 72; 0, 75

" 0, 75 " 0, 85

0, 78; 0, 80; 0, 82; 0, 85

" 0, 85 " 0, 95

0, 88; 0, 90; 0, 92; 0, 95

" 0, 95 " 1, 06

0, 98; 1, 00; 1, 05

" 1, 06 " 1, 18

1, 10; 1, 15

" 1, 18 " 1, 32

1, 20; 1, 25; 1, 30

" 1, 32 " 1, 50

1, 35; 1, 40; 1, 45; 1, 50

" 1, 50 " 1, 70

1, 55; 1, 60; 1, 65; 1, 70

" 1, 70 " 1, 90

1, 75; 1, 80; 1, 85; 1, 90

" 1, 90 " 2, 12

1, 95; 2, 00; 2, 05; 2, 10

" 2, 12 " 2, 36

2, 15; 2, 20; 2, 25; 2, 30; 2, 35

" 2, 36 " 2, 65

2, 40; 2, 45; 2, 50; 2, 55; 2, 60; 2, 65

" 2, 65 " 3, 00

2, 70; 2, 75; 2, 80; 2, 85; 2, 90; 2, 95; 3, 00

" 3, 00 " 3, 35

3, 10; (3, 15); 3, 20; 3, 30; (3, 35)

" 3, 35 " 3, 75

3, 40; 3, 50; 3, 60; 3, 70

" 3, 75 " 4, 25

3, 80; 3, 90; 4, 00; 4, 10; 4, 20; (4, 25)

" 4, 25 " 4, 75

4, 30; 4, 40; 4, 50; 4, 60; 4, 70

" 4, 75 " 5, 30

4, 80; 4, 90; 5, 00; 5, 10; 5, 20; 5, 30

" 5, 30 " 6, 00

5, 40; 5, 50; 5, 60; 5, 70; 5, 80; 5, 90; 6, 00

" 6, 00 " 6, 70

6, 10; 6, 20; 6, 30; 6, 40; 6, 50; 6, 60; 6, 70

" 6, 70 " 7, 50

6, 80; 6, 90; 7, 00; 7, 10; 7, 20; 7, 30; 7, 40; 7, 50

" 7, 50 " 8, 50

7, 60; 7, 70; 7, 80; 7, 90; 8, 00; 8, 10; 8, 20; 8, 30; 8, 40; 8, 50

" 8, 50 " 9, 50

8, 60; 8, 70; 8, 80; 8, 90; 9, 00; 9, 10; 9, 20; 9, 30; 9, 40; 9, 50

" 9, 50 " 10, 60

9, 60; 9, 70; 9, 80; 9, 90; 10, 00; 10, 10; 10, 20; 10, 30; 10, 40; 10, 50; 10, 60

" 10, 60 " 11, 80

10, 70; 10, 80; 10, 90; 11, 00; 11, 10; 11, 20; 11, 30; 11, 40; 11, 50; 11, 60; 11, 70; 11, 80

" 11, 80 " 13, 20

11, 90; 12, 00; 12, 10; 12, 20; 12, 30; 12, 40; 12, 50; 12, 60; 12, 70; 12, 80; 12, 90; 13, 00; 13, 10; 13, 20

" 13, 20 " 14, 00

13, 30; 13, 40; 13, 50; 13, 60; 13, 70; 13, 75; 13, 80; 13, 90; 14, 00

" 14, 00 " 15, 00

14, 25; 14, 50; 14, 75; 15, 00

" 15, 00 " 16, 00

15, 25; (15, 40); 15, 50; 15, 75; 16, 00

" 16, 00 " 17, 00

16, 25; 16, 50; 16, 75; 17, 00

" 17, 00 " 18, 00

17, 25; (17, 40); 17, 50; 17, 75; 18, 00

" 18, 00 " 19, 00

18, 25; 18, 50; 18, 75; 19, 00

" 19, 00 " 20, 00

19, 25; (19, 40); 19, 50; 19, 75; 20, 00

" 20, 00 " 21, 20

20, 25; 20, 50; 20, 75; (20, 90); 21, 00

" 21, 20 " 22, 40

21, 25; 21, 50; 21, 75; 22, 00; 22, 25

" 22, 40 " 23, 02

22, 50; 22, 75; 23, 00

" 23, 02 " 23, 60

23, 25; 23, 50

" 23, 60 " 25, 00

23, 75; (23, 90); 24, 00; 24, 25; 24, 50; 24, 75; 25, 00

" 25, 00 " 26, 50

25, 25; 25, 50; 25, 75; 26, 00; 26, 25; 26, 50

" 26, 50 " 28, 00

26, 75; 27, 00; 27, 25; 27, 50; 27, 75; 28, 00

" 28, 00 " 30, 00

28, 25; 28, 50; 28, 75; 29, 00; 29, 25; 29, 50; 29, 75; 30, 00

" 30, 00 " 31, 50

30, 25; 30, 50; 30, 75; 31, 00; 31, 25; 31, 50

" 31, 50 " 31, 75

31, 75

" 31, 75 " 33, 50

32, 00; (32, 25); 32, 50; 33, 00; 33, 25; 33, 50

" 33, 50 " 35, 50

34, 00; 34, 50; 35, 00; (35, 25); 35, 50

" 35, 50 " 37, 50

(35, 75); 36, 00; (36, 25); 36, 50; 37, 00; 37, 50

" 37, 50 " 40, 00

38, 00; (38, 25); 38, 50; 39, 00; (39, 25); 39, 50; 40, 00

" 40, 00 " 42, 50

40, 50; 41, 00; (41, 25); 41, 50; 42, 00; 42, 50

" 42, 50 " 45, 00

43, 00; (43, 25); 43, 50; 44, 00; 44, 50; 45, 00

" 45, 00 " 47, 50

(45, 25); 45, 50; 46, 00; 46, 50; 47, 00; 47, 50

" 47, 50 " 50, 00

48, 00; 48, 50; 49, 00; 49, 50; 50, 00

" 50, 00 " 53, 00

50, 50; 51, 00; (51, 50); 52, 00; 53, 00

" 53, 00 " 56, 00

54, 00; 55, 00; 56, 00

" 56, 00 " 60, 00

57, 00; 58, 00; 59, 00; 60, 00

" 60, 00 " 63, 00

61, 00; 62, 00; 63, 00

" 63, 00 " 67, 00

64, 00; 65, 00; 66, 00; 67, 00

" 67, 00 " 71, 00

68, 00; 69, 00; 70, 00; 71, 00

" 71, 00 " 75, 00

72, 00; 73, 00; 74, 00; 75, 00

" 75, 00 " 80, 00

76, 00; 77, 00; 78, 00; 79, 00; 80, 00

Примечание. Сверла, диаметры которых указаны в скобках, изготовляются по соглашению с потребителем.

3. (Исключен, Изм. N 1).


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