Nominal Size or Diameter

Head Diameter(A)

Head Height(H)

Head Side Height(S)

Hex Socket Size(J)

Key Engagement(T)

Fillet Extension(F)

Max Standard Length(L)

Max

Min

Max

Min

Reference

Nominal

Min

Max

Min

Nom

0

.0600

.114

.104

.032

.026

.010

.035

.020

.010

.005

.50

1

.0730

.139

.129

.039

.033

.010

.050

.028

.010

.005

.50

2

.0860

.164

.154

.046

.038

.010

.050

.028

.010

.005

.50

3

.0990

.188

.176

.052

.044

.010

1/16

.062

.035

.010

.005

.50

4

.1120

.213

.201

.059

.051

.015

1/16

.062

.035

.010

.005

.50

5

.1250

.238

.226

.066

.058

.015

5/64

.078

.044

.010

.005

.50

6

.1380

.262

.250

.073

.063

.015

5/64

.078

.044

.010

.005

.63

8

.1640

.312

.298

.087

.077

.015

3/32

.094

.052

.015

.010

.75

10

.1900

.361

.347

.101

.091

.020

1/8

.125

.070

.015

.010

1.00

1/4

.250

.437

.419

.132

.122

.031

5/32

.156

.087

.020

.015

1.00

5/16

.3125

.547

.527

.166

.152

.031

3/16

.188

.105

.020

.015

1.00

3/8

.3750

.656

.636

.199

.185

.031

7/32

.219

.122

.020

.015

1.25

1/2

.5000

.875

.851

.265

.245

.046

5/16

.312

.175

.030

.020

2.00

5/8

.6250

1.000

.970

.331

.311

.062

3/8

.375

.210

.030

.020

2.00