Large Solid Imperial Boiler Rivets

BS 425 : 1943   Fig 6   Pan Head Type 2
½ to 2 Inches Diameter - All Dimensions in Inches - Mild Steel

- - - Shank Diameter - - -

Depth of 

Head Diameter 

Head

Setting Allowance

  Nominal
  D

&
 

Tolerance
 

 60° Fillet
 E=0.125D

  A=1.4D  D<1
   A=1.3D D>=1

Depth
B=0.7D

  S=1.472D  D<1
   S=1.349D D>=1

1/2

0.500

0.484 / 0.516

0.063

0.700

0.350

0.736

17/32

0.531

0.516 / 0.547

0.066

0.744

0.372

0.782

9/16

0.563

0.547 / 0.578

0.070

0.788

0.394

0.828

19/32

0.594

0.578 / 0.609

0.074

0.831

0.416

0.874

5/8

0.625

0.609 / 0.641

0.078

0.875

0.438

0.920

21/32

0.656

0.641 / 0.672

0.082

0.919

0.459

0.966

11/16

0.688

0.672 / 0.703

0.086

0.963

0.481

1.012

23/32

0.719

0.703 / 0.734

0.090

1.006

0.503

1.058

3/4

0.750

0.734 / 0.766

0.094

1.050

0.525

1.104

13/16

0.813

0.797 / 0.828

0.102

1.138

0.569

1.196

7/8

0.875

0.859 / 0.891

0.109

1.225

0.613

1.288

15/16

0.938

0.922 / 0.953

0.117

1.313

0.656

1.380

1

1.000

0.984 / 1.016

0.125

1.300

0.700

1.349

1.1/8

1.125

1.109 / 1.156

0.141

1.463

0.788

1.518

1.1/4

1.250

1.234 / 1.281

0.156

1.625

0.875

1.686

1.3/8

1.375

1.359 / 1.406

0.172

1.788

0.963

1.855

1.1/2

1.500

1.484 / 1.531

0.188

1.950

1.050

2.024

1.5/8

1.625

1.609 / 1.656

0.203

2.113

1.138

2.192

1.3/4

1.750

1.734 / 1.781

0.219

2.275

1.225

2.361

1.7/8

1.875

1.859 / 1.906

0.234

2.438

1.313

2.529

2

2.000

1.984 / 2.031

0.250

2.600

1.400

2.698