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© Ferrometal 08/2015

7.74

Kysy saatavuus /

Ask for availability

Suomi +358- 10 308 11 Latvia & Lithuania +371- 672 80 581

Eesti +372- 6990 470

www.ferrometal.fi

Properties for the inch sized threads:

Dimension

Threads Per Inch (TPI)

inch

mm

UNC

UNF

Whitworth

1/4”

6,3

20

28

20

5/16”

7,9

18

24

18

3/8”

9,5

16

24

16

7/16”

11,1

14

20

14

1/2”

12,7

13

20

12

5/8”

15,9

11

18

11

3/4”

19,1

10

16

10

7/8”

22,2

9

14

9

1”

25,4

8

12

8

1 1/4”

31,8

7

12

7

1 1/2”

38,1

6

12

6

1 3/4”

44,5

5

-

5

2”

50,8

-

2 1/4”

57,1

-

4

2 1/2”

63,5

4

-

4

2 3/4”

69,9

4

-

3”

76,2

4

-