QUICK RELEASE DEVICES: Pull Ring Plungers - Locking


Part No. PR250 (Locking)
Part No. PR250 (Locking)
Part No. PR250 (Locking)

Vlier Pull-Ring Steel Locking Retractable Plungers are designed for limited space applications and provide an easy to grasp pull-ring handle for withdrawing and engaging the plunger. Vlier Pull-Ring Stainless Steel Locking Retractable Plungers provide the added advantage of an all stainless steel design for maximum protection against rust and corrosion.

Special Features

  • Pull-ring design
  • Hand-retractable locking plunger
  • Withstands side loading
  • Tapered end for easy alignment
  • Steel and Stainless Steel
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, Lbs.
Thread
(in.)
(in.)
(in.)
(in.)
(in.)
No Locking Element
w/Locking Element
Init.
Final
A
B
C
D
E
F
PR250 PR250P
1.0
2.5
1/4-20
1.14
.250
.155
0.62
.8
PR375 PR375P
2.0
4.0
3/8-16
1.68
.375
.233
0.98
1.2
PR500 PR500P
2.5
5.0
1/2-13
2.00
.500
.312
1.26
1.4
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, Lbs.
Thread
(in.)
(in.)
(in.)
(in.)
(in.)
No Locking Element
w/Locking Element
Init.
Final
A
B
C
D
E
F
SPR250 SPR250P
1.0
2.5
1/4-20
1.14
.250
.155
0.62
.8
SPR375 SPR375P
2.0
4.0
3/8-16
1.68
.375
.233
0.98
1.2
SPR500 SPR500P
2.5
5.0
1/2-13
2.00
.500
.312
1.26
1.4
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, N
Thread
(mm)
(mm)
(mm)
(mm)
(mm)
No Locking Element
w/Locking Element
Init.
Final
A
B
C
D
E
F
PRM6 PRM6P
4.4
11.0
M6 x 1.0
29
6.4
4.0
16
20.3
PRM10 PRM10P
9.0
17.80
M10 x 1.5
43
9.5
6
25
30.5
PRM12 PRM12P
11.0
22.0
M12 x 1.75
51
12.7
8
32
35.5
PRM16 PRM16P
11.0
22.0
M16 x 2.0
60
16.0
10
32
43
Lbf/Newton Conversion:
Enter known value and click on empty value to view results.
lbf = N
Part No.
End Force, N
Thread
(mm)
(mm)
(mm)
(mm)
(mm)
No Locking Element
w/Locking Element
Init.
Final
A
B
C
D
E
F
SPRM6 SPRM6P
4.4
11.0
M6 x 1.0
29
6.4
4.0
16
20.3
SPRM10 SPRM10P
9.0
17.80
M10 x 1.5
43
9.5
6
25
30.5
SPRM12 SPRM12P
11.0
22.0
M12 x 1.75
51
12.7
8
32
35.5
SPRM16 SPRM16P
11.0
22.0
M16 x 2.0
60
16.0
10
32
43