Standard Master Disc Blank Dimensions

Diameter Range
Length
Handle Grip

Number

A

Style #3

B

Style #2

C

Style #1

.1500" to .2999"

3.810mm to 5.839mm

7/16"

11.1mm

7/8"

22.2mm

7/8"

22.2mm

0
.2300" to .3649"

5.840mm to 9.269mm

1/2"

12.7mm

1"

25.4mm

1"

25.4mm

1
.3650" to .5099"

9.270mm to 12.949mm

9/16"

14.3mm

1 1/8"

28.6mm

1 1/8"

28.6mm

2
.5100" to .8249"

12.950mm to 20.959mm

5/8"

15.9mm

1 1/4"

31.8mm

1 1/4"

31.8mm

3
.8250" to 1.1349"

20.960mm to 28.829mm

11/16"

17.5mm

1 3/8"

34.9mm

1 3/8"

34.9mm

4
1.1350" to 1.5099"

28.830mm to 38.349mm

13/16"

20.6mm

1 5/8"

41.3mm

1 5/8"

41.3mm

5
1.5100" to 2.0099"

38.350mm to 51.0499mm

7/8"

22.2mm

2"

50.8mm

1 7/8"

47.6mm

6
2.0100" to 2.5099"

51.050mm to 63.749mm

7/8"

22.2mm

2"

50.8mm

2"

50.8mm

6
2.5100" to 3.0099"

63.750mm to 76.449mm

1"

25.4mm

2 1/4"

57.2mm

2"

50.8mm

7
3.0100" to 3.5099"

76.450mm to 89.149mm

1"

25.4mm

2 1/4"

57.2mm

2"

50.8mm

7
3.5100" to 4.0099"

89.150mm to 101.849mm

1"

25.4mm

2 1/4"

57.2mm

2 1/8"

54.0mm

7
4.0100" to 4.5099"

101.850mm to 114.549mm

1"

25.4mm

2 1/4"

57.2mm

2 1/8"

54.0mm

7
4.5100" to 5.0099"

114.550mm to 127.249mm

1"

25.4mm

2 1/4"

57.2mm

2 1/8"

54.0mm

7
5.0100" to 5.5099"

127.250mm to 139.949mm

1"

25.4mm

2 1/4"

57.2mm

2 1/8"

54.0mm

7
5.5100" to 6.0099"

139.950mm to 152.649mm

1"

25.4mm

2 1/4"

57.2mm

2 1/8"

54.0mm

7
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