Blacksmith Anvil Hardy (square) Hole Sizes

Brand

Anvil Size/Weight in Pounds

50

100

120

150

160

180

200

250

350

500

600

750

Arm & Hammer

3/4

7/8

1

1-1/16

1-1/16

1-1/8

1-1/8

1-1/8

1-1/4

1-3/8

Brooks

5/8

3/4

7/8

1-1/4

1-1/4

1-1/4

Columbian

3/4

7/8

1

1

1-1/8

1-1/4

1-3/8

1-1/2

1-1/2

Eagle

5/8

3/4

3/4

7/8

1

1

1-1/8

1-1/4

1-3/8

1-1/2

1-1/2

1-5/8

Hay-Budden

3/4

3/4

7/8

7/8

1

1-1/8

1-1/8

1-1/4

1-1/2

1-3/4

Vulcan

1/2

3/4

7/8

1

1-1/4

1-1/4

Kohlswa A1

22 mm

22 mm

22

25 mm

32 mm

35

35

Kohlswa B27

20 mm

23

25

27

28

29

32

36

41

Paragon

5/8

7/8

1

1

1

1-1/8

1-1/4

1-3/8

1-3/8

1-1/2

Peter Wright

5/8

3/4

7/8

1

1

1

1-1/8

1-1/4

1-3/8

1-1/2

1-1/2

Peddinghaus

3/4

1

Euroanvils

1

Nimba

1

Due to anvil weights not all being in the same increments and manufacturers not making the same range of product, this survey of sizes and may have some inaccuracies.