Hand retractable spring plungers are precision machined from solid bar stock. The retractable plunger is hardened for greater side load strength in the extended position and is slightly tapered for easy alignment. All handle styles are easy to grip for fast, one-handed operation. With a 90° turn of the handle, the locking types will lock the plunger in the retracted position.
Hand retractable plungers have many industrial, medical and consumer applications and are commonly used as indexing, positioning and fastening components. Their quick disconnect and positive locking features are ideal for many applications.
| Knurled Knob – Locking Nose With Nylon Patch Steel, Stainless Steel, and Brass Locking Hand-Retractable Knurled Handle Spring Plungers With Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Brass P/N |
Thread (A) |
Thread Length (B) |
Nose Length (C) |
Nose Dia (D) |
Knob Dia (E) |
Knob Hub Length (F) |
Knurled Width (G) |
Start End Force (lbs) |
End End Force (lbs) |
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| WKLS-0 | SWKLS-0 | SWKLS-0-316 | BWKLS-0 | 10-32 | 0.40 | 0.09 | 0.104 | 3/8 | 1/4 | 3/16 | 0.5 | 3 | |||||||
| WKLS-1 | SWKLS-1 | SWKLS-1-316 | BWKLS-1 | 1/4-20 | 0.50 | 0.13 | 0.123 | 1/2 | 5/16 | 3/16 | 1 | 4 | |||||||
| WKLS-2 | SWKLS-2 | SWKLS-2-316 | BWKLS-2 | 5/16-18 | 0.63 | 0.19 | 0.154 | 5/8 | 3/8 | 1/4 | 1 | 5 | |||||||
| WKLS-3 | SWKLS-3 | SWKLS-3-316 | BWKLS-3 | 3/8-16 | 0.75 | 0.22 | 0.185 | 3/4 | 1/2 | 5/16 | 1 | 8 | |||||||
| WKLS-4 | SWKLS-4 | SWKLS-4-316 | BWKLS-4 | 1/2-13 | 0.88 | 0.25 | 0.248 | 1 | 5/8 | 3/8 | 1 | 10 | |||||||
| WKLS-5 | SWKLS-5 | SWKLS-5-316 | BWKLS-5 | 5/8-11 | 1.00 | 0.32 | 0.312 | 1-1/4 | 3/4 | 7/16 | 1.5 | 12 | |||||||
| WKLS-6 | SWKLS-6 | SWKLS-6-316 | BWKLS-6 | 3/4-10 | 1.20 | 0.45 | 0.375 | 1-1/2 | 13/16 | 1/2 | 1.5 | 16 | |||||||
* Non-Locking style is also available in the same sizes and material types.
| Knurled Knob – Locking Nose Without Nylon Patch Steel, Stainless Steel, and Brass Locking Hand-Retractable Knurled Handle Spring Plungers Without Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Brass P/N |
Thread (A) |
Thread Length (B) |
Nose Length (C) |
Nose Dia (D) |
Knob Dia (E) |
Knob Hub Length (F) |
Knurled Width (G) |
Start End Force (lbs) |
End End Force (lbs) |
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| KLS-0 | SKLS-0 | SKLS-0-316 | BKLS-0 | 10-32 | 0.40 | 0.09 | 0.104 | 3/8 | 1/4 | 3/16 | 0.5 | 3 | |||||||
| KLS-1 | SKLS-1 | SKLS-1-316 | BKLS-1 | 1/4-20 | 0.50 | 0.13 | 1.123 | 1/2 | 5/16 | 3/16 | 1 | 4 | |||||||
| KLS-2 | SKLS-2 | SKLS-2-316 | BKLS-2 | 5/16-18 | 0.63 | 0.19 | 0.154 | 5/8 | 3/8 | 1/4 | 1 | 5 | |||||||
| KLS-3 | SKLS-3 | SKLS-3-316 | BKLS-3 | 3/8-16 | 0.75 | 0.22 | 0.185 | 3/4 | 1/2 | 5/16 | 1 | 8 | |||||||
| KLS-4 | SKLS-4 | SKLS-4-316 | BKLS-4 | 1/2-13 | 0.88 | 0.25 | 0.248 | 1 | 5/8 | 3/8 | 1 | 10 | |||||||
| KLS-5 | SKLS-5 | SKLS-5-316 | BKLS-5 | 5/8-11 | 1.00 | 0.32 | 0.312 | 1-1/4 | 3/4 | 7/16 | 1.5 | 12 | |||||||
| KLS-6 | SKLS-6 | SKLS-6-316 | BKLS-6 | 3/4-10 | 1.20 | 0.45 | 0.375 | 1-1/2 | 13/16 | 1/2 | 1.5 | 16 | |||||||
* Non-Locking style is also available in the same sizes and material types.
| L-Handle – Locking Nose With Nylon Patch Locking L-Handle Spring Plungers With Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Thread (A) |
Thread Length (H) |
Body Length (B) |
Nose Length (C) |
Nose Dia (D) |
Hex Size (E) |
Handle Length (F) |
Handle Dia (G) |
Thread Relief (I) |
Start End Force (lbs) |
Final End Force (lbs) |
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| LLW-0 | SLLW-0 | SLLW-0-316 | 1/4-20 | 0.50 | 0.75 | 0.20 | 0.16 | 1/4 | 0.40 | 0.09 | – | 0.12 | 0.5 | ||||||
| LLW-1 | SLLW-1 | SLLW-1-316 | 1/4-20 | 0.80 | 1.25 | 0.38 | 0.16 | 1/4 | 0.50 | 0.09 | – | 0.5 | 2.5 | ||||||
| LLW-2 | SLLW-2 | SLLW-2-316 | 3/8-16 | 0.75 | 1.13 | 0.30 | 0.25 | 3/8 | 0.56 | 0.14 | 0.13 | 0.25 | 1.25 | ||||||
| LLW-3 | SLLW-3 | SLLW-3-316 | 3/8-16 | 1.31 | 2.00 | 0.56 | 0.25 | 3/8 | 0.75 | 0.14 | 0.13 | 0.75 | 3.75 | ||||||
| LLW-4 | SLLW-4 | SLLW-4-316 | 1/2-13 | 1.00 | 1.50 | 0.40 | 0.31 | 1/2 | 0.75 | 0.19 | 0.13 | 0.5 | 2 | ||||||
| LLW-5 | SLLW-5 | SLLW-5-316 | 1/2-13 | 1.25 | 2.11 | 0.75 | 0.31 | 1/2 | 1.00 | 0.19 | 0.13 | 1 | 5 | ||||||
| LLW-6 | SLLW-6 | SLLW-6-316 | 5/8-11 | 1.25 | 1.88 | 0.50 | 0.38 | 5/8 | 0.88 | 0.19 | 0.13 | 0.75 | 2.5 | ||||||
| LLW-7 | SLLW-7 | SLLW-7-316 | 5/8-11 | 2.00 | 3.05 | 1.00 | 0.38 | 5/8 | 1.00 | 0.19 | 0.13 | 1 | 5 | ||||||
* Non-Locking style is also available in the same sizes and material types.
| L-Handle – Locking Nose Without Nylon Patch Locking L-Handle Spring Plungers Without Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Thread (A) |
Thread Length (H) |
Body Length (B) |
Nose Length (C) |
Nose Dia (D) |
Hex Size (E) |
Handle Length (F) |
Handle Dia (G) |
Thread Relief (I) |
Start End Force (lbs) |
Final End Force (lbs) |
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| LL-0 | LLS-0 | LLS-0-316 | 1/4-20 | 0.50 | 0.75 | 0.20 | 0.16 | 1/4 | 0.40 | 0.09 | – | 0.12 | 0.5 | ||||||
| LL-1 | LLS-1 | LLS-1-316 | 1/4-20 | 0.80 | 1.25 | 0.38 | 0.16 | 1/4 | 0.50 | 0.09 | – | 0.5 | 2.5 | ||||||
| LL-2 | LLS-2 | LLS-2-316 | 3/8-16 | 0.75 | 1.13 | 0.30 | 0.25 | 3/8 | 0.56 | 0.14 | 0.13 | 0.25 | 1.25 | ||||||
| LL-3 | LLS-3 | LLS-3-316 | 3/8-16 | 1.31 | 2.00 | 0.56 | 0.25 | 3/8 | 0.75 | 0.14 | 0.13 | 0.75 | 3.75 | ||||||
| LL-4 | LLS-4 | LLS-4-316 | 1/2-13 | 1.00 | 1.50 | 0.40 | 0.31 | 1/2 | 0.75 | 0.19 | 0.13 | 0.5 | 2 | ||||||
| LL-5 | LLS-5 | LLS-5-316 | 1/2-13 | 1.25 | 2.11 | 0.75 | 0.31 | 1/2 | 1.00 | 0.19 | 0.13 | 1 | 5 | ||||||
| LL-6 | LLS-6 | LLS-6-316 | 5/8-11 | 1.25 | 1.88 | 0.50 | 0.38 | 5/8 | 0.88 | 0.19 | 0.13 | 0.75 | 2.5 | ||||||
| LL-7 | LLS-7 | LLS-7-316 | 5/8-11 | 2.00 | 3.05 | 1.00 | 0.38 | 5/8 | 1.00 | 0.19 | 0.13 | 1 | 5 | ||||||
* Non-Locking style is also available in the same sizes and material types.
| Standard Pull Ring – Locking Nose Without Nylon Patch Locking Standard Pull Ring Spring Plungers, With Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
Brass P/N |
Thread (A) |
Thread Length (H) |
Body Length (B) |
Nose Length (C) |
Nose Dia (D) |
Ring Dia (F) |
Start End Force (lbs) |
Final End Force (lbs) |
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| STPR25 | SSTPR25 | BSTPR25 | 1/4-20 | 0.80 | 1.14 | 0.250 | 0.155 | 7/8 | 1 | 2.5 | |||||||||
| STPR38 | SSTPR38 | BSTPR38 | 3/8-16 | 1.20 | 1.68 | 0.375 | 0.233 | 7/8 | 2 | 4 | |||||||||
| STPR50 | SSTPR50 | BSTPR50 | 1/2-13 | 1.40 | 2.00 | 0.500 | 0.312 | 1 | 2.5 | 5 | |||||||||
| STPR58 | SSTPR58 | BSTPR58 | 5/8-11 | 2.27 | 3.35 | 0.550 | 0.312 | 1-1/4 | 3 | 6 | |||||||||
| STPR75 | SSTPR75 | BSTPR75 | 3/4-10 | 2.69 | 4.06 | 0.650 | 0.430 | 1-3/8 | 5 | 10 | |||||||||
| STPR100 | SSTPR100 | BSTPR100 | 1-8 | 3.25 | 4.63 | 0.900 | 0.680 | 1-3/8 | 8 | 20 | |||||||||
* Non-Locking style is also available in the same sizes and material types.
| Standard Pull Ring – Locking Nose With Nylon Patch Locking Standard Pull Ring Spring Plungers, Without Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
Brass P/N |
Thread (A) |
Thread Length (H) |
Body Length (B) |
Nose Length (C) |
Nose Dia (D) |
Ring Dia (F) |
Start End Force (lbs) |
Final End Force (lbs) |
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| STPRW25 | SSTPRW25 | BSTPRW25 | 1/4-20 | 0.80 | 1.14 | 0.250 | 0.155 | 7/8 | 1 | 2.5 | |||||||||
| STPRW38 | SSTPRW38 | BSTPRW38 | 3/8-16 | 1.20 | 1.68 | 0.375 | 0.233 | 7/8 | 2 | 4 | |||||||||
| STPRW50 | SSTPRW50 | BSTPRW50 | 1/2-13 | 1.40 | 2.00 | 0.500 | 0.312 | 1 | 2.5 | 5 | |||||||||
| STPRW58 | SSTPRW58 | BSTPRW58 | 5/8-11 | 2.27 | 3.35 | 0.550 | 0.312 | 1-1/4 | 3 | 6 | |||||||||
| STPRW75 | SSTPRW75 | BSTPRW75 | 3/4-10 | 2.69 | 4.06 | 0.650 | 0.430 | 1-3/8 | 5 | 10 | |||||||||
| STPRW100 | SSTPRW100 | BSTPRW100 | 1-8 | 3.25 | 4.63 | 0.900 | 0.680 | 1-3/8 | 8 | 20 | |||||||||
* Non-Locking style is also available in the same sizes and material types.
| Stubby Pull Ring – Locking Without Nylon Patch Locking Stubby Pull Ring Spring Plungers, Without Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Brass P/N |
Thread Size (A) |
Body Length (B) |
Thread Length (C) |
Nose Length (D) |
Nose Dia (E) |
Ring Dia (F) |
Start End Force (lbs) |
Final End Force (lbs) |
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| LPR25 | SLPR25 | SLPR25-316 | BLPR25 | 1/4-20 | 0.57 | 0.31 | 0.19 | 0.160 | 3/4 | 0.5 | 2 | ||||||||
| LPR38 | SLPR38 | SLPR38-316 | BLPR38 | 3/8-16 | 0.82 | 0.44 | 0.28 | 0.250 | 3/4 | 0.75 | 3 | ||||||||
| LPR50 | SLPR50 | SLPR50-316 | BLPR50 | 1/2-13 | 1.06 | 0.56 | 0.38 | 0.310 | 1 | 1 | 4 | ||||||||
| LPR58 | SLPR58 | SLPR58-316 | BLPR58 | 5/8-11 | 1.31 | 0.69 | 0.44 | 0.380 | 1 | 1.25 | 5 | ||||||||
| LPR75 | SLPR75 | SLPR75-316 | BLPR75 | 3/4-10 | 1.50 | 0.88 | 0.50 | 0.437 | 1-1/8 | 1.5 | 6 | ||||||||
| LPR100 | SLPR100 | SLPR100-316 | BLPR100 | 1-8 | 1.75 | 1.00 | 0.63 | 0.500 | 1-1/8 | 1.75 | 7 | ||||||||
* Non-Locking style is also available in the same sizes and material types.
| Stubby Pull Ring – Locking With Nylon Patch Locking Stubby Pull Ring Spring Plungers, With Nylon Patch |
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| Steel P/N |
303 Stainless P/N |
316 Stainless P/N |
Brass P/N |
Thrad Size (A) |
Body Length (B) |
Thread Length (C) |
Nose Length (D) |
Nose Dia (E) |
Ring Dia (F) |
Start End Force (lbs) |
Final End Force (lbs) |
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| LPRW25 | SLPRW25 | SLPRW25-316 | BLPRW25 | 1/4-20 | 0.57 | 0.31 | 0.19 | 0.160 | 3/4 | 0.5 | 2 | ||||||||
| LPRW38 | SLPRW38 | SLPRW38-316 | BLPRW38 | 3/8-16 | 0.82 | 0.44 | 0.28 | 0.250 | 3/4 | 0.75 | 3 | ||||||||
| LPRW50 | SLPRW50 | SLPRW50-316 | BLPRW50 | 1/2-13 | 1.06 | 0.56 | 0.38 | 0.310 | 1 | 1 | 4 | ||||||||
| LPRW58 | SLPRW58 | SLPRW58-316 | BLPRW58 | 5/8-11 | 1.31 | 0.69 | 0.44 | 0.380 | 1 | 1.25 | 5 | ||||||||
| LPRW75 | SLPRW75 | SLPRW75-316 | BLPRW75 | 3/4-10 | 1.50 | 0.88 | 0.50 | 0.437 | 1-1/8 | 1.5 | 6 | ||||||||
| LPRW100 | SLPRW100 | SLPRW100-316 | BLPRW100 | 1-8 | 1.75 | 1.00 | 0.63 | 0.500 | 1-1/8 | 1.75 | 7 | ||||||||
* Non-Locking style is also available in the same sizes and material types.