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Questions ?
Call us at 905-624-5536
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H.H. Roberts Machinery Limited
1324 Matheson Blvd E., Mississauga, Ontario, Canada. L4W-2Z7, Fax 905-624-9065
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Command Pull Studs ( retention knobs )

Custom made pull stuads are available.

MAS Style

BT Flange   (popular on many Japanese machines)
Command CNC pull stud
Part Number
Taper &
Flange
A B C
Angle
Thread Size
Max Torque
(ft-lb)
RB2M-0001
BT 30
0.43 0.27 0.90
45
M12-1.75
40
RB2M-0002
BT 30
0.43 0.27 0.90
60
M12-1.75
40
RB3M-0001
BT 35
0.51 0.33 1.10
45
M12-1.75
40
RB3M-0002
BT 35
0.51 0.33 1.10
60
M12-1.75
40
RB4M-0001
BT 40
0.59 0.39 1.38
45
M16-2.0
85
RB4M-0001-C
BT 40
0.59 0.39 1.38
45
M16-2.0
85
RB4M-0002
BT 40
0.59 0.39 1.38
60
M16-2.0
85
RB4M-0002-C
BT 40
0.59 0.39 1.38
60
M16-2.0
85
RB4M-0003
BT 40
0.59 0.39 1.38
90
M16-2.0
85
RB5M-0001
BT 45
0.75 0.55 1.57
45
M20-2.5
100
RB5M-0002
BT 45
0.75 0.55 1.57
60
M20-2.5
100
RB5M-0003
BT 45
0.75 0.55 1.57
90
M20-2.5
100
RB6M-0001
BT 50
0.91 0.67 1.77
45
M24-3.0
110
RB6M-0001-C
BT 50
0.91 0.67 1.77
45
M24-3.0
110
RB6M-0002
BT 50
0.91 0.67 1.77
60
M24-3.0
110
RB6M-0003
BT 50
0.91 0.67 1.77
90
M24-3.0
110
RB6M-0003-C
BT 50
0.91 0.67 1.77
90
M24-3.0
110

Cat-V Flange
Part Number
Taper &
Flange
A B C
Angle
Thread Size
Max Torque
(ft-lb)
RB4E-0001
V 40
0.59 0.39 1.27
45
5/8-11
85 Thin Flange
RB4E-0001-C
V 40
0.59 0.39 1.27
45
5/8-11
85 Thin Flange
RB4E-0002
V 40
0.59 0.39 1.27
60
5/8-11
85
RB4E-0002-C
V 40
0.59 0.39 1.27
60
5/8-11
85
RB4E-0003
V 40
0.59 0.39 1.27
90
5/8-11
85
RB4E-0003-C
V 40
0.59 0.39 1.27
90
5/8-11
85
RB5E-0001
V 45
0.75 0.55 1.58
45
3/4-10
100
RB5E-0003
V 45
0.75 0.55 1.58
90
3/4-10
100
RB6E-0001
V 50
0.91 0.67 1.78
45
1-8
110
RB6E-0001-C
V 50
0.91 0.67 1.78
45
1-8
110
RB6E-0002
V 50
0.91 0.67 1.78
60
1-8
110
RB6E-0002-C
V 50
0.91 0.67 1.78
60
1-8
110
RB6E-0003
V 50
0.91 0.67 1.78
90
1-8
110
RB6E-0003-C
V 50
0.91 0.67 1.78
90
1-8
110
RS4E-0221
V 40
0.59 0.39 1.27
45
5/8-11
85 Thick Flange
RS4E-0221-C
V 40
0.59 0.39 1.27
45
5/8-11
85 Thick Flange

US ANSI Style
V-Flange with through-the-spindle coolant hole
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RC2E-0001
V 30
0.52 0.39 0.46
45
1/2-13
40
RC4E-0001
V 40
0.74 0.49 0.64
45
5/8-11
85
RC5E-0001
V 45
0.94 0.61 0.82
45
3/4-10
100
RC6E-0001
V 50
1.14 0.83 1.00
45
1-8
110

V-Flange without through-the-spindle coolant hole
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RC4E-0002
V 40
0.74 0.49 0.64
45
5/8-11
85
RC5E-0002
V 45
0.94 0.61 0.82
45
3/4-10
100
RC6E-0002
V 50
1.14 0.83 1.00
45
1-8
110

BT-Flange with through-the-spindle coolant hole and metric thread
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RS4M-0105
BT 40
0.74 0.49 0.64
45
M16-2
85
RS4M-0115
BT 40
0.74 0.49 0.75
45
M16-2
85
RS5M-0106
BT 45
0.94 0.61 0.82
45
M20-2.5
100
RS6M-0105
BT 50
1.14 0.83 1.00
45
M24-3.0
110

DIN Style

V-Flange
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RS2E-0114-C
V 30
0.51 0.35 0.95
75
1/2-13
40
RS4E-0114
V 40
0.75 0.55 1.02
75
5/8-11
85
RS4E-0114-C
V 40
0.75 0.55 1.02
75
5/8-11
85
RS6E-0114
V 50
1.10 0.83 1.34
75
1-8
110
RS6E-0114-C
V 50
1.10 0.83 1.34
75
1-8
110

DIN-Flange
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RS2M-0114
DIN 30
0.51 0.35 0.94
75
M12-1.75
40
RS4M-0114-C
DIN 40
0.75 0.55 1.02
75
M16-2.0
85
RS6M-0114-C
DIN 50
1.10 0.83 1.34
75
M24-3.0
110

Other Styles

BT-Flange
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RB2M-0100
BT 30
0.47 0.31 0.94
.16R*
M12-1.75
40
RB3M-0100
BT 35
0.54 0.35 1.10
60
M12-1.75
40
RB3M-0101
BT 35
0.55 0.31 0.91
90
M12-1.75
40
RS2M-0207-C
BT 30
0.47 0.31 0.92
75
M12-1.75
40
RS4M-0205
BT 40
0.75 0.55 1.13
75
M16-2.0
85
RS4M-0205-C
BT 40
0.75 0.55 1.14
75
M16-2.0
85
RS4M-0206
BT 40
0.59 0.39 1.09
90
M16-2.0
85
RS4M-0210
BT 40
0.59 0.39 0.98
90
M16-2.0
85
RS4M-0217-H
BT 40
0.75 0.55 1.14
75
M16-2.0
85
RS5M-0108-C
BT 45
0.91 0.67 1.18
75
M20-2.5
100

V-Flange
Part
Number
Taper &
Flange
A
B
C
Angle
Thread
Size
Max Torque
(ft-lb)
RB4E-0100
V 40
0.59 0.39 1.05
90
5/8-11
85
RB4E-0101
V 40
0.59 0.39 0.98
90
5/8-11
85
RB6E-0100**
V 50
0.91 0.67 1.78
90
1-8
110
RS2E-0206
V 30
0.50 0.40 0.76
45
1/2-13
40
RS2E-0207
V 30
0.50 0.31 0.75
75
1/2-13
40
RS4E-0104
V 40
0.59 0.41 1.44
45
5/8-11
85
RS4E-0104-C
V 40
0.59 0.41 1.44
45
5/8-11
85
RS4E-0106
V 40
0.59 0.39 1.38
45
5/8-11
85
RS4E-0109
V 40
0.52 0.39 0.47
50
5/8-11
85
RS4E-0110
V 40
0.98 0.83 0.99
75
5/8-11
85
RS4E-0111
V 40
0.50 0.31 0.75
75
5/8-11
85
RS4E-0114-H
V 40
0.75 0.55 1.02
75
5/8-11
85
RS4E-0201
V 40
0.50 0.31 0.87
75
5/8-11
85
RS4E-0203
V 40
0.50 0.31 2.38
90
5/8-11
85
RS4E-0207
V 40
0.74 0.48 0.87
75
5/8-11
85
RS4E-0209-C
V 40
0.74 0.55 1.03
75
5/8-11
85
RS4E-0211-C
V 40
0.74 0.49 0.64
45
5/8-11
85
RS4E-0212
V 40
0.75 0.55 1.02
75
5/8-11
85
RS4E-0212-C
V 40
0.75 0.55 1.02
75
5/8-11
85
RS4E-0212-H
V 40
0.75 0.55 1.02
75
5/8-11
85
RS4E-0215-C
V 40
0.75 0.55 1.14
75
5/8-11
85
RS4E-0220-H
V 40
0.59 0.39 1.26
45
5/8-11
85
RS5E-0203
V 45
0.81 0.56 1.20
90
3/4-10
100
RS5E-0205
V 45
0.94 0.64 1.34
45
3/4-10
100
RS5E-0205-C
V 45
0.94 0.64 1.34
45
3/4-10
100
RS6E-0101
V 50
0.94 0.71 1.23
90
1-8
110
RS6E-0101-C
V 50
0.94 0.71 1.23
90
1-8
110
RS6E-0102-C
V 50
0.95 0.70 2.48
.22 R
1-8
110
RS6E-0103-C
V 50
0.95 0.70 3.48
.22 R
1-8
110
RS6E-0204-C
V 50
1.14 0.82 1.00
45
1-8
110
RS6E-0232-H
V 50
0.90 0.66 1.78
45
1-8
110
RS6E-0242-H
V 50
0.90 0.66 1.78
60
1-8
110