Standard Master Disc Blank Dimensions

Diameter RangeLength A
Style #3
Length B
Style #2
Length C
Style #1
Handle Grip Number
.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