Group A
Mounted points are for specific applications requiring large size, shaped mounted points. The standard shank size is 1/4″ x 1-1/2″.
Group B
For high speed, special applications; used for narrow space, inside corners and other hard-to-reach areas. The standard shank size is 1/8″ x 1-1/2″.
Group W
Straight dimensional for general applications. Wheels up to 1/4″ diameter use a 1/8″ x 1-1/2″ shank. Standard for all other applications is a 1/4″ x 1-1/2″ shank unless otherwise specified.
|
Shape Number
|
A Diameter
|
B Thickness
|
|
W141
|
3/32
|
5/32
|
|
W142
|
3/32
|
1/4
|
|
W143
|
1/8
|
1/8
|
|
W144
|
1/8
|
1/4
|
|
W145
|
1/8
|
3/8
|
|
W146
|
1/8
|
1/2
|
|
W147
|
5/32
|
1/32
|
|
W148
|
5/32
|
1/16
|
|
W149
|
5/32
|
1/4
|
|
W150
|
3/16
|
1/16
|
|
W151
|
3/16
|
1/8
|
|
W152
|
3/16
|
1/4
|
|
W153
|
3/16
|
3/8
|
|
W154
|
3/16
|
1/2
|
|
W155
|
13/64
|
1/4
|
|
W156
|
1/4
|
1/32
|
|
W157
|
1/4
|
1/16
|
|
W158
|
1/4
|
1/8
|
|
W159
|
1/4
|
3/16
|
|
W160
|
1/4
|
1/4
|
|
W161
|
1/4
|
5/16
|
|
W162
|
1/4
|
3/8
|
|
W163
|
1/4
|
1/2
|
|
W164
|
1/4
|
3/4
|
|
W165
|
5/16
|
1/16
|
|
W166
|
5/16
|
1/8
|
|
W167
|
5/16
|
1/4
|
|
W168
|
5/16
|
5/16
|
|
W169
|
5/16
|
3/8
|
|
W170
|
5/16
|
1/2
|
|
W171
|
5/16
|
3/4
|
|
W172
|
3/8
|
1/16
|
|
W173
|
3/8
|
1/8
|
|
W174
|
3/8
|
1/4
|
|
W175
|
3/8
|
3/8
|
|
W176
|
3/8
|
1/2
|
|
W177
|
3/8
|
3/4
|
|
W178
|
3/8
|
1
|
|
W179
|
3/8
|
1-1/4
|
|
Shape Number
|
A Diameter
|
B Thickness
|
|
W180
|
1/2
|
1/32
|
|
W181
|
1/2
|
1/16
|
|
W182
|
1/2
|
1/8
|
|
W183
|
1/2
|
1/4
|
|
W184
|
1/2
|
3/8
|
|
W185
|
1/2
|
1/2
|
|
W186
|
1/2
|
3/4
|
|
W187
|
1/2
|
1
|
|
W188
|
1/2
|
1-1/2
|
|
W189
|
1/2
|
2
|
|
W190
|
5/8
|
1/16
|
|
W191
|
5/8
|
1/8
|
|
W192
|
5/8
|
1/4
|
|
W193
|
5/8
|
3/8
|
|
W194
|
5/8
|
1/2
|
|
W195
|
5/8
|
3/4
|
|
W196
|
5/8
|
1
|
|
W197
|
5/8
|
2
|
|
W198
|
5/8
|
2-1/2
|
|
W199
|
3/4
|
1/16
|
|
W200
|
3/4
|
1/8
|
|
W201
|
3/4
|
1/4
|
|
W202
|
3/4
|
3/8
|
|
W203
|
3/4
|
1/2
|
|
W204
|
3/4
|
3/4
|
|
W205
|
3/4
|
1
|
|
W206
|
3/4
|
1-1/4
|
|
W207
|
3/4
|
1-1/2
|
|
W208
|
3/4
|
2
|
|
W209
|
3/4
|
2-1/2
|
|
W210
|
7/8
|
1/16
|
|
W211
|
7/8
|
1/8
|
|
W212
|
7/8
|
1/4
|
|
W213
|
7/8
|
3/8
|
|
W214
|
15/16
|
1/4
|
|
Shape Number
|
A Diameter
|
B Thickness
|
|
W215
|
1
|
1/8
|
|
W216
|
1
|
1/4
|
|
W217
|
1
|
3/8
|
|
W218
|
1
|
1/2
|
|
W219
|
1
|
3/4
|
|
W220
|
1
|
1
|
|
W221
|
1
|
1-1/2
|
|
W222
|
1
|
2
|
|
W223
|
1
|
2-1/2
|
|
*W224
|
1
|
3
|
|
W225
|
1-1/4
|
1/4
|
|
W226
|
1-1/4
|
3/8
|
|
W227
|
1-1/4
|
1/2
|
|
W228
|
1-1/4
|
3/4
|
|
W229
|
1-1/4
|
1
|
|
W230
|
1-1/4
|
1-1/4
|
|
W231
|
1-1/4
|
1-1/2
|
|
W232
|
1-1/4
|
2
|
|
*W233
|
1-1/4
|
2-1/2
|
|
*W234
|
1-1/4
|
3
|
|
W235
|
1-1/2
|
1/4
|
|
W236
|
1-1/2
|
1/2
|
|
W237
|
1-1/2
|
1
|
|
W238
|
1-1/2
|
1-1/2
|
|
*W239
|
1-1/2
|
2
|
|
*W240
|
1-1/2
|
2-1/2
|
|
*W241
|
1-1/2
|
3
|
| Order By Dimensions |
2
|
1/4
|
|
2
|
3/8
|
|
|
2
|
1/2
|
|
|
W242
|
2
|
1
|
|
W243
|
2
|
1-1/2
|
|
W244
|
2
|
2
|
|
W245
|
2
|
2-1/2
|
|
W246
|
2
|
3
|
