Fully Threaded Studs

  • Description
Product Detail

Fully Threaded Stud, B7 Alloy Steel, Grade B7, Finish PTFE (Fluoropolymer) Coated, Thread Size 7/8-9, Overall Length 5 In, Thread Type UNC, Thread Direction Right Hand, Class 2A, Min. Tensile Strength 125, 000 PSI, Temp. Range 1100 F, Rockwell Hardness C35, Meets/Exceeds ASTM A193, Includes (8) 2H Hex Nuts, Package Quantity 4

 

Double End Stud





Body Diameter




Nut Ends







A



B

C

B

C










Thread Length For

Thread Length for Studs




Type 2



Type 3

Studs <= 6" Length

> 6"   Length

Nominal








Min Full

Max   Total

Min Full

Max   Total


Size

Max


Min


Max


Min

Thread

Thread

Thread

Thread


1/4

0.250


0.213


0.250


0.241

0.750

0.875

1.000

1.125


5/16

0.313


0.271


0.313


0.303

0.875

1.031

1.125

1.281


3/8

0.375


0.328


0.375


0.365

1.000

1.188

1.250

1.438


7/16

0.438


0.385


0.438


0.426

1.125

1.344

1.375

1.594


1/2

0.500


0.444


0.500


0.488

1.250

1.500

1.500

1.750


9/16

0.563


0.502


0.563


0.550

1.375

1.656

1.625

1.906


5/8

0.625


0.559


0.625


0.611

1.500

1.812

1.750

2.062


3/4

0.750


0.677


0.750


0.735

1.750

2.125

2.000

2.375


7/8

0.875


0.795


0.875


0.859

2.000

2.438

2.250

2.688

1


1.000


0.910


1.000


0.983

2.250

2.750

2.500

3.000

1

1/8

1.125


1.023


1.125


1.106

2.500

3.062

2.750

3.312

1

1/4

1.250


1.148


1.250


1.231

2.750

3.375

3.000

3.625

1

3/8

1.375


1.256


1.375


1.354

3.000

3.688

3.250

3.928

1

1/2

1.500


1.381


1.500


1.479

3.250

4.000

3.500

4.250

 

150 Flange

 








Length of Stud








Bolts   [Note (1)]


Outside








Diameter

Diameter



Raised


NPS

Diameter

of Bolt

of Bolt

Number

Diameter

Face

Ring

of Flange

Circle

Holes

of Bolts

of   Bolts

0.06 in

Joint









1/2

3 1/2

2 3/8

5/8

4

1/2

2 1/4

-

3/4

3 7/8

2 3/4

5/8

4

1/2

2 1/2

-

1

4 1/4

3 1/8

5/8

4

1/2

2 1/2

3

1 1/4

4 5/8

3 1/2

5/8

4

1/2

2 3/4

3 1/4

1 1/2

5

3 7/8

5/8

4

1/2

2 3/4

3 1/4

2

6

4 3/4

3/4

4

5/8

3 1/4

3 3/4

2 1/2

7

5 1/2

3/4

4

5/8

3 1/2

4

3

7 1/2

6


3/4

4

5/8

3 1/2

4

3 1/2

8 1/2

7


3/4

8

5/8

3 1/2

4

4

9

7 1/2

3/4

8

5/8

3 1/2

4

5

10

8 1/2

7/8

8

3/4

3 3/4

4 1/4

6

11

9 1/2

7/8

8

3/4

4

4 1/2

8

13 1/2

11

3/4

7/8

8

3/4

4 1/4

4 3/4

10

16

14

3/4

1

12

7/8

4 1/2

5

12

19

17


1

12

7/8

4 3/4

5 1/4

14

21

18

3/4

1 1/8

12

1

5 1/4

5 3/4

16

23 1/2

21

1/4

1 1/8

16

1

5 1/4

5 3/4

18

25

22

3/4

1 1/4

16

1 1/8

5 3/4

6 1/4

20

27 1/2

25


1 1/4

20

1 1/8

6 1/4

6 3/4

24

32

29

1/2

1 1/4

20

1 1/4

6 3/4

7 1/4


 300 Flange

 









Length of Stud









Bolts [Note (1)]











Outside

Diameter

Diameter



Raised




Diameter

of Bolt

of Bolt

Number

Diameter

Face

Ring

NPS

of Flange

Circle

Holes

of Bolts

of Bolts

0.06   in

Joint











1/2

3

3/4

2 5/8

5/8

4

1/2

2 1/2

3


3/4

4

5/8

3 1/4

3/4

4

5/8

3

3

1/2

1

4

7/8

3 1/2

3/4

4

5/8

3

3

1/2

1 1/4

5

1/4

3 7/8

3/4

4

5/8

3 1/4

3

3/4

1 1/2

6

1/8

4

1/2

7/8

4

3/4

3 1/2

4


2

6

1/2

5


3/4

8

5/8

3 1/2

4


2 1/2

7

1/2

5

7/8

7/8

8

3/4

4

4

1/2

3

8

1/4

6

5/8

7/8

8

3/4

4 1/4

4

3/4

3 1/2

9


7

1/4

7/8

8

3/4

4 1/4

5


4

10


7

7/8

7/8

8

3/4

4 1/2

5


5

11


9

1/4

7/8

8

3/4

4 3/4

5

1/4

6

12 1/2

10

5/8

7/8

12

3/4

4 3/4

5

1/2

8

15


13


1

12

7/8

5 1/2

6


10

17 1/2

15

1/4

1 1/8

16

1

6 1/4

6

3/4

12

20 1/2

17

3/4

1 1/4

16

1 1/8

6 3/4

7

1/4

14

23


20

1/4

1 1/4

20

1 1/8

7

7

1/2

16

25 1/2

22

1/2

1 3/8

20

1 1/4

7 1/2

8


18

28


24

3/4

1 3/8

24

1 1/4

7 3/4

8

1/4

20

30 1/2

27


1 3/8

24

1 1/4

8

8

3/4

24

36


32


1 5/8

24

1 1/2

9

10


 

600 Flange

 









Length of   Stud









Bolts [Note (1)]











Outside

Diameter

Diameter



Raised




Diameter

of Bolt

of Bolt

Number

Diameter

Face

Ring

NPS

of Flange

Circle

Holes

of Bolts

of Bolts

0.06 in

Joint













1/2

3

3/4

2

5/8

5/8

4

1/2

3


3


3/4

4

5/8

3

1/4

3/4

4

5/8

3

1/2

3

1/2

1

4

7/8

3

1/2

3/4

4

5/8

3

1/2

3

1/2

1 1/4

5

1/4

3

7/8

3/4

4

5/8

3

3/4

3

3/4

1 1/2

6

1/8

4

1/2

7/8

4

3/4

4

1/4

4

1/4

2

6

1/2

5


3/4

8

5/8

4

1/4

4

1/4

2 1/2

7

1/2

5

7/8

7/8

8

3/4

4

3/4

4

3/4

3

8

1/4

6 5/8

7/8

8

3/4

5


5


3 1/2

9


7

1/4

1

8

7/8

5

1/2

5 1/2

4

10

3/4

8

1/2

1

8

7/8

5

3/4

5 3/4

5

13


10

1/2

1 1/8

8

1

6

1/2

6 1/2

6

14


11

1/2

1 1/8

12

1

6

3/4

6 3/4

8

16

1/2

13

3/4

1 1/4

12

1 1/8

7

1/2

7 3/4

10

20


17


1 3/8

16

1 1/4

8

1/2

8 1/2

12

22


19

1/4

1 3/8

20

1 1/4

8

3/4

8 3/4

14

23

3/4

20

3/4

1 1/2

20

1 3/8

9

1/4

9 1/4

16

27


23

3/4

1 5/8

20

1 1/2

10


10


18

29

1/4

25

3/4

1 3/4

20

1 5/8

10

3/4

10

3/4

20

32


28

1/2

1 3/4

24

1 5/8

11

1/4

11

1/2

24

37


33

2

24

1 7/8

13


13

1/4


 

 900 Flange

 









Length of   Stud









Bolts   [Note (1)]










Outside

Diameter

Diameter



Raised



Diameter

of Bolt

of Bolt

Number

Diameter

Face

Ring

NPS

of Flange

Circle

Holes

of Bolts

of   Bolts

0.06 in

Joint











1/2

4

3/4

3

1/4

7/8

4

3/4

4 1/4

4 1/4

3/4

5

1/8

3

1/2

7/8

4

3/4

4 1/2

4 1/2

1

5

7/8

4

1

4

7/8

5

5

1 1/4

6

1/4

4

3/8

1

4

7/8

5

5

1 1/2

7


4

7/8

1 1/8

4

1

5 1/2

5 1/2

2

8

1/2

6

1/2

1

8

7/8

5 3/4

5 3/4

2 1/2

9

5/8

7

1/2

1 1/8

8

1

6 1/4

6 1/4

3

9

1/2

7

1/2

1

8

7/8

5 3/4

5 3/4

4

11

1/2

9

1/4

1 1/4

8

1 1/8

6 3/4

6 3/4

5

13

3/4

11


1 3/8

8

1 1/4

7 1/2

7 1/2

6

15


12

1/2

1 1/4

12

1 1/8

7 1/2

7 3/4

8

18

1/2

15

1/2

1 1/2

12

1 3/8

8 3/8

8 3/4

10

21

1/2

18

1/2

1 1/2

16

1 3/8

9 1/4

9 1/4

12

24


21


1 1/2

20

1 3/8

10

10

14

25

1/4

22


1 5/8

20

1 1/2

10 3/4

11

16

27

3/4

24

1/4

1 3/4

20

1 5/8

11 1/4

11 1/2

18

31


27


2

20

1 7/8

12 3/4

13 1/4

20

33

3/4

29

1/2

2 1/8

20

2

13 3/4

14 1/4

24

41


35

1/2

2 5/8

20

2 1/2

17 1/4

18


1500 Flange

 









Length of   Stud









Bolts [Note (1)]











Outside

Diameter

Diameter



Raised




Diameter

of Bolt

of Bolt

Number

Diameter

Face

Ring

NPS

of Flange

Circle

Holes

of Bolts

of Bolts

0.06 in

Joint













1/2

4

3/4

3

1/4

7/8

4

3/4

4

1/4

4

1/4

3/4

5

1/8

3

1/2

7/8

4

3/4

4

1/2

4

1/2

1

5

7/8

4


1

4

7/8

5


5


1 1/4

6

1/4

4

3/8

1

4

7/8

5


5


1 1/2

7


4

7/8

1 1/8

4

1

5

1/2

5

1/2

2

8

1/2

6

1/2

1

8

7/8

5

3/4

5

3/4

2 1/2

9

5/8

7

1/2

1 1/8

8

1

6

1/4

6

1/4

3

10

1/2

8


1 1/4

8

1 1/8

7


7


4

12

1/4

9

1/2

1 3/8

8

1 1/4

7

3/4

7

3/4

5

14

3/4

11

1/2

1 5/8

8

1 1/2

9

3/4

9

3/4

6

15

1/2

12

1/2

1 1/2

12

1 3/8

10

1/4

10

1/2

8

19


15

1/2

1 3/4

12

1 5/8

11

1/2

12

3/4

10

23


19

2

12

1 7/8

13

1/4

13

1/2

12

26

1/2

22

1/2

2 1/8

16

2

14

3/4

15

1/4

14

29

1/2

25


2 3/8

16

2 1/4

16


16

3/4

16

32

1/2

27

3/4

2 5/8

16

2 1/2

17

1/2

18

1/2

18

36


30

1/2

2 7/8

16

2 3/4

19

1/2

20

3/4

20

38

3/4

32

3/4

3 1/8

16

3

21

1/4

22

1/4

24

46


39

3 5/8

16

3 1/2

24

1/4

25

1/2

Note: (1) All studs are measured using effective thread length which is first thread to first thread. See diagrams to the right.
Dimensions are in inches. Measurements based on ASME B 16.5 flange specifications.
Note: (2) Length of point on studs and stud bolts shall be not less than one nor more than two complete threads as measured from the extreme end parallel to the axis. (Typically 1/8”)

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