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                              Heavy Hex Structural Bolts                                        IFI

 

 

Nominal Size or Diameter

 

 

 

 

 

 

Width Across Flats(F)

 

 

 

 

Width Across Corners(G)

 

 

Height(H)

 

 

Thread Length 

(L(1))

Max

Min

Max

Min

Max

Min

Basic

-13

.875

.850

1.010

.969

.323

.302

1.00

5/8-11

1.062

1.031

1.227

1.175

.403

.378

1.25

-10

1.250

1.212

1.443

1.383

.483

.455

1.38

7/8-9

1.438

1.394

1.660

1.589

.563

.531

1.50

1-8

1.625

1.575

1.876

1.796

.627

.591

1.75

1-1/8-7

1.812

1.756

2.093

2.002

.718

.658

2.00

1-1/4-7

2.000

1.938

2.309

2.209

.813

.749

2.00

1-3/8-6

2.188

2.119

2.526

2.416

.878

.810

2.25

1-1/2-6

2.375

2.300

2.742

2.622

.974

.902

2.25

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