METRIC

Thread Size

Type

Thread Code

Length Code "L"±0.4
( Length Code is in millimeters )

Min.Sheet Thickness

Hole Size in Sheet +0.08

C
-0.13

H
±0.4

S
Max.

Min.Dist Hole C/L To Edge

Steel

Stainless Steel

M3X0.5

NFH

NFHS

M3

5

6

8

10

12

16

20

/

/

/

1

4.8

4.78

6

1.25

7.2

M4X0.7

NFH

NFHS

M4

5

6

8

10

12

16

20

25

30

35

1

4.8

4.78

6

1.25

7.2

M5X0.8

NFH

NFHS

M5

/

6

8

10

12

16

20

25

30

35

1

5

4.98

6.35

1.25

7.5

M6X1.0

NFH

NFHS

M6

/

/

8

10

12

16

20

25

30

35

1.6

6

5.98

7

4

9