Nominal Size or Diameter

Body Diameter(D)

Head Dia.(A)

Head Height(H)

    Head Side

      Height(S)

Hex Socket Size(J)

Key Engagement(T)

Wall Thickness

Max

Min

Max

Min

Max

Min

Max

Nominal

Min

Min

0

.0600

.0600

.0568

.096

.091

.060

.057

.054

.050

.025

.020

1

.0730

.0730

.0695

.118

.112

.073

.070

.066

1/16

.062

.031

.025

2

.0860

.0860

.0822

.140

.134

.086

.083

.077

5/64

.078

.038

.029

3

.0990

.0990

.0949

.161

.154

.099

.095

.089

5/64

.078

.044

.034

4

.1120

.1120

.1075

.183

.176

.112

.108

.101

3/32

.094

.051

.038

5

.1250

.1250

.1202

.205

.198

.125

.121

.112

3/32

.094

.057

.043

6

.1380

.1380

.1329

.226

.218

.138

.134

.124

7/64

.109

.064

.047

8

.1640

.1640

.1585

.270

.262

.164

.159

.148

9/64

.141

.077

.056

10

.1900

.1900

.1840

.312

.303

.190

.185

.171

5/32

.156

.090

.065

1/4

.250

.2500

.2435

.375

.365

.250

.244

.225

3/16

.188

.120

.095

5/16

.3125

.3125

.3053

.469

.457

.312

.306

.281

1/4

.250

.151

.119

3/8

.3750

.3750

.3678

.562

.550

.375

.368

.337

5/16

.312

.182

.143

7/16

.4375

.4375

.4294

.656

.642

.438

.430

.394

3/8

.375

.213

.166

1/2

.5000

.5000

.4919

.750

.735

.500

.492

.450

3/8

.375

.245

.190

5/8

.6250

.6250

.6163

.938

.921

.625

.616

.562

1/2

.500

.307

.238

3/4

.7500

.7500

.7406

1.125

1.107

.750

.740

.675

5/8

.625

.370

.285

7/8

.8750

.8750

.8647

1.312

1.293

.875

.864

.787

3/4

.750

.432

.333

1

1.000

1.000

.9886

1.500

1.479

1.000

.988

.900

3/4

.750

.495

.380