

Delrin® Knob Steel Retractables/Locking
Vlier Delrin Knob Steel Retractable Locking Plungers offer a cosmetically-appealing plunger design with improved functionality that locks in the opne position.
| Delrin Knob Plungers - Steel (Locking) ANSI Threads | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Part No. | End Force, Lbs. | A | B | C | D | E | F | G | H Hex |
|
| Init. | Final | |||||||||
| PRTL250* | .12 | .36 | 1/4-20 | .50 | .13 | .16 | .50 | .97 | .63 | 1/4 |
| PRTL375 | .25 | 2.0 | 3/8-16 | .75 | .18 | .25 | .75 | 1.4 | .1.13 | 1/2 |
| PRTL500 | .50 | 1.75 | 1/2-13 | 1.0 | .25 | .31 | 1.0 | 1.9 | 1.50 | 1/2 |
| To Order with Locking Element - Add "P"at end of the part number. Initial End Forces +/- 50% Final End Forces +/- 25% *No thread relief in 1/4-20 thread size. *No thread relief in 1/4-20 thread size. | ||||||||||
| Delrin Knob Plungers - Steel (Locking) Metric Threads | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Part No. | End Force, N (Lbs.) | A mm (in.) |
B mm (in.) |
C mm (in.) |
D mm (in.) |
E mm (in.) |
F mm (in.) |
G mm (in.) |
H mm (in.) |
|
| Init. | Final | |||||||||
| MPRTL6* |
0.5 (.11) |
1.5 (.34) |
M6 X 1.0 |
13 (.50) |
3 (.118) |
3 (.117) |
12 (.48) |
25 (.98) |
19 (.75) |
6 (.236) |
| MPRTL10 |
1.0 (22) |
9.0 (2.02) |
M10 X 1.5 |
20 (.79) |
5 (.196) |
6 (.236) |
19 (.75) |
38 (1.5) |
30 (1.18) |
10 (.39) |
| MPRTL12 |
2.5 (.56) |
8.0 (1.80) |
M12 X 1.75 |
25 (.98) |
6 (.236) |
8 (.314) |
25 (.98) |
47 (1.8) |
37 (1.46) |
12 (.47) |
| To Order with Locking Element - Add "P"at end of the part number. Initial End Forces +/- 50% Final End Forces +/- 25% *No thread relief in M6 thread size. | ||||||||||
| 440 Industrial Drive • North Wales, PA 19454-4151 • 800.422.3274 • 215.699.0940 • Fax 215.699.0944 |