STEP
SHAFT SERIES - MODEL 20

|
SHAFT
DIA NOMINAL
|
TYPE/SHAFT
SIZE VARIATION NO.
|
SHAFT
DIA A ±.002
|
SHAFT
DIA B ± .001
|
BORE
DIA C ± .001
|
WIDTH
D ± .010
|
E
±.015
|
|
1/4"
|
VMS1702500
|
.250
|
.375
|
.625
|
.750
|
.500
|
|
5/16"
|
VMS17031
|
.312
|
.437
|
.6875
|
.750
|
.500
|
|
3/8"
|
VMS17037
|
.375
|
.500
|
.750
|
.750
|
.500
|
|
7/16"
|
VMS17043
|
.437
|
.562
|
.8125
|
.750
|
.500
|
|
1/2"
|
VMS17050
|
.500
|
.562
|
.875
|
.750
|
.500
|
|
9/16"
|
VMS17056
|
.562
|
.687
|
.9375
|
.750
|
.500
|
|
5/8"
|
VMS17062
|
.625
|
.750
|
1.000
|
.750
|
.500
|
|
11/16"
|
VMS17068
|
.687
|
.812
|
1.0625
|
.750
|
.500
|
|
3/4"
|
VMS17075
|
.750
|
.875
|
1.125
|
.750
|
.500
|
|
13/16"
|
VMS17081
|
.812
|
.937
|
1.250
|
.750
|
.500
|
|
7/8"
|
VMS17087
|
.875
|
1.000
|
1.3125
|
.750
|
.500
|
|
15/16"
|
VMS17093
|
.937
|
1.0625
|
1.375
|
.750
|
.500
|
|
1.00"
|
VMS17100
|
1.000
|
1.125
|
1.500
|
.875
|
.625
|
|
1
1/16"
|
VMS17106
|
1.0625
|
1.187
|
1.5625
|
.875
|
.625
|
|
1
1/8"
|
VMS17112
|
1.125
|
1.250
|
1.625
|
.875
|
.625
|
|
1
3/16"
|
VMS17118
|
1.187
|
1.312
|
1.6875
|
.875
|
.625
|
|
1
1/4"
|
VMS17125
|
1.250
|
1.375
|
1.750
|
.875
|
.625
|
|
1
5/16"
|
VMS17131
|
1.312
|
1.437
|
1.8125
|
.875
|
.625
|
|
1
3/8"
|
VMS17137
|
1.375
|
1.500
|
1.875
|
.875
|
.625
|
|
1
7/16"
|
VMS17143
|
1.437
|
1.562
|
1.9375
|
.875
|
.625
|
|
1
1/2"
|
VMS17150
|
1.500
|
1.625
|
2.000
|
.875
|
.625
|
|
1
9/16"
|
VMS17156
|
1.562
|
1.687
|
2.0625
|
.875
|
.625
|
|
1
5/8"
|
VMS17162
|
1.625
|
1.750
|
2.125
|
.875
|
.625
|
|
1
11/16"
|
VMS17167
|
1.687
|
1.812
|
2.1875
|
.875
|
.625
|
|
1
3/4"
|
VMS17175
|
1.750
|
1.875
|
2.250
|
.875
|
.625
|
|
1
13/16"
|
VMS17181
|
1.812
|
1.937
|
2.3125
|
.875
|
.625
|
|
1
7/8"
|
VMS17187
|
1.875
|
2.000
|
2.375
|
.875
|
.625
|
|
1
15/16"
|
VMS17193
|
1.937
|
2.062
|
2.4375
|
.875
|
.625
|
|
2.00"
|
VMS17200
|
2.000
|
2.125
|
2.500
|
.875
|
.625
|
|
2
1/8"
|
VMS17212
|
2.125
|
2.250
|
2.6875
|
.875
|
.625
|
|
2
1/4"
|
VMS17225
|
2.250
|
2.375
|
2.8125
|
.875
|
.625
|
|
2
3/8"
|
VMS17237
|
2.375
|
2.500
|
2.9375
|
.875
|
.625
|
|
2
1/2"
|
VMS17250
|
2.500
|
2.625
|
3.0625
|
.875
|
.625
|
|
2
5/8"
|
VMS17262
|
2.625
|
2.750
|
3.375
|
1.250
|
.875
|
|
2
3/4"
|
VMS17275
|
2.750
|
2.875
|
3.500
|
1.250
|
.875
|
|
2
7/8"
|
VMS17287
|
2.875
|
3.000
|
3.625
|
1.250
|
.875
|
|
3.00"
|
VMS17300
|
3.000
|
3.125
|
3.750
|
1.250
|
.875
|
|
3
1/8"
|
VMS17312
|
3.125
|
3.250
|
4.125
|
1.250
|
.875
|
|
3
1/4"
|
VMS17325
|
3.250
|
3.375
|
4.250
|
1.250
|
.875
|
|
3
3/8"
|
VMS17337
|
3.375
|
3.500
|
4.375
|
1.250
|
.875
|
|
3
1/2"
|
VMS17350
|
3.500
|
3.625
|
4.500
|
1.250
|
.875
|
|
3
5/8"
|
VMS17362
|
3.625
|
3.750
|
4.625
|
1.250
|
.875
|
|
3
3/4"
|
VMS17375
|
3.750
|
3.875
|
4.750
|
1.250
|
.875
|
|
3
7/8"
|
VMS17387
|
3.875
|
4.000
|
4.875
|
1.250
|
.875
|
|
4.00"
|
VMS1740000
|
4.000
|
4.125
|
5.000
|
1.250
|
.875
|
Available in metric sizes for shafts over 4", consult factory.
Available for positive drive pin. Teflon is a registered trade
mark of DuPont.