HEX CAP SCREWS

HEX CAP SCREWS, FULLY THREADED

HEAD DIMENSIONS

All Dimensions in Inches

Nominal Size or Basic Product Diameter

Body Diameter

Width Across Flats

Width Across Corners

Height

Max.

Min.

Basic

Max.

Min.

Max.

Min.

Basic

Max.

Min.

1/4

0.2500

0.2500

0.2450

7/16

0.438

0.428

0.505

0.488

5/32

0.163

0.150

5/16

0.3125

0.3125

0.3065

1/2

0.500

0.489

0.577

0.557

13/64

0.211

0.195

3/8

0.3750

0.3750

0.3690

9/16

0.562

0.551

0.650

0.628

15/64

0.243

0.226

7/16

0.4375

0.4375

0.4305

5/8

0.625

0.612

0.722

0.698

9/32

0.291

0.272

1/2

0.5000

0.5000

0.4930

3/4

0.750

0.736

0.866

0.840

5/16

0.323

0.302

9/16

0.5625

0.5625

0.5545

13/16

0.812

0.798

0.938

0.910

23/64

0.371

0.348

5/8

0.6250

0.6250

0.6170

15/16

0.938

0.922

1.083

1.051

25/64

0.403

0.378

3/4

0.7500

0.7500

0.7410

1-1/8

1.125

1.100

1.299

1.254

15/32

0.483

0.455

7/8

0.8750

0.8750

0.8660

1-5/16

1.312

1.285

1.516

1.465

35/64

0.563

0.531

1

1.0000

1.0000

0.9900

1-1/2

1.500

1.469

1.732

1.675

39/64

0.627

0.591

1-1/8

1.1250

1.1250

1.1140

1-11/16

1.688

1.631

1.949

1.859

11/16

0.718

0.658

1-1/4

1.2500

1.2500

1.2390

1-7/8

1.875

1.812

2.165

2.066

25/32

0.813

0.749

1-3/8

1.3750

1.3750

1.3630

2-1/16

2.062

1.994

2.382

2.273

27/32

0.878

0.810

1-1/2

1.5000

1.5000

1.4880

2-1/4

2.250

2.175

2.598

2.480

1-5/16

0.974

0.902

1-3/4

1.7500

1.7500

1.7380

2-5/8

2.625

2.538

3.031

2.893

1-3/32

1.134

1.054

2

2.0000

2.0000

1.9880

3

3.000

2.900

3.464

3.306

1-7/32

1.263

1.175

2-1/4

2.2500

2.2500

2.2380

3-3/8

3.375

3.262

3.897

3.719

1-3/8

1.423

1.327

2-1/2

2.5000

2.5000

1.4880

3-3/4

3.750

3.625

4.330

4.133

1-17/32

1.583

1.479

2-3/4

2.7500

2.7500

2.7380

4-1/8

4.125

3.988

4.763

4.546

1-11/16

1.744

1.632

3

3.0000

3.0000

2.9880

4-1/2

4.500

4.350

5.196

4.959

1-7/8

1.935

1.815