Diameter d

#4-40

#6-32

#8-32

#10-24

1/4-20

5/16-18

3/8-16

7/16-14

Diameter Code

004

006

008

010

014

016

018

020

t min.

.051

.064

.077

.090

.120

.151

.182

.213

s

3/32

7/64

9/64

5/32

3/16

1/4

5/16

3/8

.094

.109

.141

.156

.188

.250

.312

.375

k max.

.112

.138

.164

.190

.250

.312

.375

.438

d1 max.

.183

.226

.270

.312

.375

.469

.562

.656

R.S. Torque (in-lb)

14.1

26.2

48.0

69.5

166

342

608

973

Diameter d

1/2-13

5/8-11

3/4-10

7/8-9

1-8

1 1/8-7

1 1/4-7

1 1/2-6

Diameter Code

024

026

028

030

034

036

038

044

t min.

.245

.307

3.70

.432

.495

.557

.620

.745

s

3/8

1/2

5/8

3/4

3/4

7/8

7/8

1

.375

.500

.625

.750

.750

.875

.875

1.000

k max.

.500

.625

.750

.875

1

1.125

1.250

1.500

d1 max.

.750

.938

1.125

1.312

1.5

1.688

1.875

2.250

R.S. Torque (in-lb)

1484

2792

4952

7991

11979

16968

23944

41661