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Threaded Studs                          IFI 136

Nominal Stud Size in.

Tolerance on Length, in.

For Lengths 6 in. and Shorter

For Lengths Over 6 in.

to 5/16

0.03

0.06

over 5/16 to 3/4

0.06

0.12

over 3/4 to 1-1/4

0.12

0.19

over 1-1/4

0.25

0.25

 

Double End Studs                                                                     IFI 136

Nominal Size

                                              Body Diameter(E)

                             Nut Ends

Type 1

Type 2

Type 3

Type 4

For Studs Up To and Including 6 in. Lengths

For studs Over 6 in. Length

Thread Length

Thread Length

Full Thread(F)

Total Thread(G)

Full Thread(F)

Full Thread(G)

Max

Min

Max

Min

Max

Min

Max

Min

Min

Max

Min

Max

1/4

-

-

.2500

.2127

.2500

.2408

-

-

.750

.875

1.000

1.125

5/16

-

-

.3125

.2712

.3125

.3026

-

-

.875

1.031

1.125

1.281

3/8

-

-

.3750

.3287

.3750

.3643

-

-

1.000

1.188

1.250

1.438

7/16

-

-

.4375

.3850

.4375

.4258

-

-

1.125

1.344

1.375

1.594

1/2

-

-

.5000

.4435

.5000

.4876

-

-

1.250

1.500

1.500

1.750

9/16

-

-

.5625

.5016

.5625

.5495

-

-

1.375

1.656

1.625

1.906

5/8

-

-

62.50

.5589

.6250

.6113

-

-

1.500

1.812

1.750

2.062

3/4

-

-

.7500

.6773

.7500

.7353

-

-

1.750

2.125

2.000

2.375

7/8

-

-

.8750

.7946

.8750

.8592

-

-

2.000

2.438

2.250

2.688

1

-

-

1.000

.9100

1.000

.9830

-

-

2.250

2.750

2.500

3.000

1-1/8

-

-

1.125

1.0228

1.125

1.1064

-

-

2.500

3.062

2.750

3.312

1-1/4

-

-

1.250

1.1476

1.250

1.2314

-

-

2.750

3.375

3.000

3.625

1-3/8

-

-

1.375

1.2563

1.375

1.3544

-

-

3.000

3.688

3.250

3.928

1-1/2

-

-

1.500

1.3812

1.500

1.4794

-

-

3.250

4.000

3.500

4.250

 

Type 1- Unfinished

Type 2- Finished, Full or Undersized Body

Type 3- Finished, Full Body

Type 4- Finished, Close Body

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