UNIFIED

Thread Size

Type

Thread Code

Length "L"±.015
( Length Code is in 16ths of an inch )

Min.Sheet Thickness

Hole Size in Sheet +.003

Max. Hole in Attach Parts

H
±.015

S
Max.

Min.Dist Hole C/L To Edge

400 Stainless Steel

.250

.312

.375

.500

.625

750

.875

1.00

1.25

1.50

.112-40(#4-40)

FH4

440

4

5

6

8

10

12

14

16

/

/

.040-.095

.111

.135

.176

.085

.219

.138-32(#6-32)

FH4

632

4

5

6

8

10

12

14

16

20

24

.040-.095

.137

.160

.206

.090

.250

.164-32(#8-32)

FH4

832

4

5

6

8

10

12

14

16

20

24

.040-.095

.163

.185

.237

.090

.281

.190-32(#10-32)

FH4

032

/

5

6

8

10

12

14

16

20

24

.040-.095

.189

.210

.256

.100

.281

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

Max. Hole in Attach Parts

H
±0.4

S
Max.

Min.Dist Hole C/L To Edge

400 Stainless Steel

.250

.312

.375

.500

.625

750

.875

1.00

1.25

1.50

M3X0.5

FH4

M3

6

8

10

12

15

18

20

25

/

/

1-2.4

3.0

3.6

4.6

2.1

5.6

M4X0.7

FH4

M4

6

8

10

12

15

18

20

25

30

35

1-2.4

4.0

4.6

5.9

2.4

7.2

M5X0.8

FH4

M5

/

8

10

12

15

18

20

25

30

35

1-2.4

5.0

5.6

6.5

2.7

7.2