Bolt - Carriage, Short Neck, ANSI (in)

Written by Matt Milbury on . Posted in Bolt Datasheets

  • ASME Standards

    • ASME B18.5

  • Length (L) of a carriage bolt is measured from underside of head to the end of the bolt.

Nut

Nut

Bolt

Size

Body Diameter

C

Head Diameter

A

Head Height

B

Square Width

D

Square Depth

E

Max

Min

Max

Min

Max

Min

Max

Min

Max

Min

1/4

0.260

0.213

0.594

0.563

0.145

0.125

0.260

0.245

0.124

0.093

5/16

0.324

0.272

0.719

0.688

0.176

0.156

0.324

0.307

0.124

0.093

3/8

0.388

0.329

0.844

0.782

0.208

0.188

0.388

0.368

0.156

0.125

7/16

0.452

0.385

0.969

0.907

0.239

0.219

0.452

0.431

0.156

0.125

1/2

0.515

0.444

1.094

1.032

0.270

0.250

0.515

0.492

0.156

0.125

5/8

0.642

0.559

1.344

1.219

0.344

0.313

0.642

0.616

0.218

0.187

3/4

0.768

0.678

1.594

1.469

0.406

0.375

0.768

0.741

0.218

0.187