Nominal Size or Diameter

Body Diameter(E)

Head Dia.(A)

Head Height(H)

   Square Width(O)

Square Depth(P)

Corner Radius on Square(Q)

Fillet Radius

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

Max

10

.199

.182

.469

.438

.114

.094

.199

.185

.125

.094

.031

.031

1/4

.260

.237

.594

.563

.145

.125

.260

.245

.156

.125

.031

.031

5/16

.324

.298

.719

.688

.176

.156

.324

.307

.187

.156

.031

.031

3/8

.388

.360

.844

.782

.208

.188

.388

.368

.219

.188

.047

.031

7/16

.452

.421

.969

.907

.239

.219

.452

.431

.250

.219

.047

.031

1/2

.515

.483

1.094

1.032

.270

.250

.515

.492

.281

.250

.047

.031

5/8

.642

.605

1.344

1.219

.344

.313

.642

.616

.344

.313

.078

.062

3/4

.768

.729

1.594

1.469

.406

.375

.768

.741

.406

.375

.078

.062

7/8

.895

.852

1.844

1.719

.469

.438

.895

.865

.469

.438

.094

.062

1

1.022

.976

2.094

1.969

.531

.500

1.022

.990

.531

.500

.094

.062