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ASTM A307 Grade A ASME B18.2.1 Hex Bolts Hot Dip Galvanized HDG



ASTM A307 Grade A ASME B18.2.1 Hex Bolts Hot Dip Galvanized HDG

Size – INCH

Pitch-UNC

E (Min.)

E (Max.)

S (Min.)

S (Max.)

B

    <6"(s)

B

      >6"(L)

K (Min.)

K (Max.)

1/2

13

0.84

0.866

0.736

0.750

1.250

1.500

0.302

0.323

9/16

12

0.91

0.938

0.798

0.812

1.375

1.625

0.348

0.371

5/8

11

1.051

1.083

0.922

0.938

1.500

1.750

0.378

0.403

3/4

10

1.254

1.299

1.100

1.125

1.750

2.000

0.455

0.483

7/8

9

1.465

1.516

1.285

1.312

2.000

2.250

0.531

0.563

1

8

1.675

1.732

1.469

1.500

2.250

2.500

0.591

0.627

1-1/8

8

1.859

1.949

1.631

1.688

2.500

2.750

0.658

0.718

1-1/4

8

2.066

2.165

1.812

1.875

2.750

3.000

0.749

0.813

1-3/8

8

2.273

2.382

1.994

2.062

3.000

3.250

0.810

0.878

1-1/2

8

2.48

2.598

2.175

2.250

3.250

3.500

0.902

0.974

1-5/8

8

2.686

2.815

2.356

2.438

3.500

3.750

0.962

1.038

1-3/4

8

2.893

3.031

2.538

2.625

3.750

4.000

1.054

1.134

1-7/8

8

3.099

3.248

2.719

2.812

4.000

4.250

1.114

1.198

2

8

3.306

3.464

2.900

3.000

4.250

4.500

1.175

1.263

2-1/4

8

3.719

3.897

3.262

3.375

-

5.000

1.327

1.423

2-1/2

8

4.133

4.33

3.625

3.750

-

5.500

1.479

1.583

2-3/4

8

4.546

4.763

3.988

4.125

-

6.000

1.632

1.744

3

8

4.959

5.196

4.350

4.500

-

6.500

1.815

1.935

ASTM A307 Grade A ASME B18.2.1 Hex Bolts Hot Dip Galvanized HDG

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