Large Solid Rivets for General Engineering Purposes - Not Boiler Rivets 

BS 275 : 1927   plate 2, Fig 8   Rounded 45° Countersunk Head
½ to 1¾ Inches Diameter - All Dimensions in Inches - Generally Mild Steel

- - - Shank Diameter - - -

Head Diameter 

Head Depth

Depth of 

Setting

  Nominal
  D

&
 

Tolerance
 

 
   A=1.5D

 
B=0.604D

Round
C=0.201D

Allowance
S=0.584D

1/2

0.500

0.484 / 0.531

0.750

0.302

0.101

0.292

9/16

0.563

0.547 / 0.594

0.844

0.340

0.113

0.329

5/8

0.625

0.609 / 0.656

0.938

0.378

0.126

0.365

11/16

0.688

0.672 / 0.719

1.031

0.415

0.138

0.402

3/4

0.750

0.734 / 0.781

1.125

0.453

0.151

0.438

13/16

0.813

0.797 / 0.844

1.219

0.491

0.163

0.475

7/8

0.875

0.859 / 0.906

1.313

0.529

0.176

0.511

15/16

0.938

0.922 / 0.969

1.406

0.566

0.188

0.548

1

1.000

0.984 / 1.031

1.500

0.604

0.201

0.584

1.1/16

1.063

1.047 / 1.094

1.594

0.642

0.214

0.621

1.1/8

1.125

1.109 / 1.156

1.688

0.680

0.226

0.657

1.3/16

1.188

1.172 / 1.219

1.781

0.717

0.239

0.694

1.1/4

1.250

1.234 / 1.281

1.875

0.755

0.251

0.730

1.5/16

1.313

1.297 / 1.344

1.969

0.793

0.264

0.767

1.3/8

1.375

1.359 / 1.406

2.063

0.831

0.276

0.803

1.7/16

1.438

1.422 / 1.469

2.156

0.868

0.289

0.840

1.1/2

1.500

1.484 / 1.531

2.250

0.906

0.302

0.876

1.9/16

1.563

1.547 / 1.594

2.344

0.944

0.314

0.913

1.5/8

1.625

1.609 / 1.656

2.438

0.982

0.327

0.949

1.11/16

1.688

1.672 / 1.719

2.531

1.019

0.339

0.986

1.3/4

1.750

1.734 / 1.781

2.625

1.057

0.352

1.022