System of Measurement System of Measurement |
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Nose Material Nose Material |
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Body Type Body Type |
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 | Threaded |
Handle Type Handle Type |
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 | Knob |
Body Material Body Material |
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Drive Style Drive Style |
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Handle Material Handle Material |
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Nose Type Nose Type |
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 | Long |
Locking Type Locking Type |
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| Without Thread Locker | Thread Locker |
Handle Locking Type Handle Locking Type |
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Extended Nose Force Extended Nose Force |
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Compressed Nose Force Compressed Nose Force |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thread Spacing Thread Spacing |
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Low-Profile Knob-Style Retractable Spring Plungers with Hex Drive
 |  With Thread Locker |
 Without Thread Locker |
Install by hand or with a hex key in low-clearance applications. Retract the nose by pulling the knob. These spring plungers have a long nose that provides a large bearing surface to handle side loads.
Steel is strong and wear resistant.
Stainless steel is chemical resistant and may be mildly magnetic.
Spring plungers without thread locker are for use in soft material such as aluminum, in extreme temperatures, and on parts requiring frequent assembly and removal.
Spring plungers with thread locker have a nylon locking patch bonded to the threads that adds friction to resist loosening.
Extended nose force is the force required to begin to depress the nose. Compressed nose force is the force required to depress the nose flush with the body. When using a plunger as a detent or stop, a lighter nose force with a shallower hole releases more easily, while a heavier force with a deeper hole holds more securely.
For technical drawings and 3-D models, click on a part number.
Thread | Nose | Handle | Nose Force, lbs. | |||||||||
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| Size | Lg. | Body Lg. | Extended Lg. | Dia. | Dia. | Material | Extended | Compressed | Drive Size | Choose a Locking Type | Each | |
Steel Body and Steel Nose | ||||||||||||
| 1/4"-20 | 0.6" | 0.805" | 0.125" | 0.123" | 0.75" | Zinc Yellow-Chromate-Plated Steel | 1 | 4 | 1/8" | 0000000 | 000000 | |
| 5/16"-18 | 0.8" | 1.07" | 0.187" | 0.154" | 0.875" | Zinc Yellow-Chromate-Plated Steel | 1 | 6 | 1/8" | 0000000 | 00000 | |
| 3/8"-16 | 1" | 1.26" | 0.22" | 0.185" | 1" | Zinc Yellow-Chromate-Plated Steel | 1 | 8 | 7/32" | 0000000 | 00000 | |
| 1/2"-13 | 1.09" | 1.38" | 0.25" | 0.248" | 1.25" | Zinc Yellow-Chromate-Plated Steel | 1 | 10 | 1/4" | 0000000 | 00000 | |
18-8 Stainless Steel Body and 18-8 Stainless Steel Nose | ||||||||||||
| 1/4"-20 | 0.6" | 0.805" | 0.125" | 0.123" | 0.75" | Stainless Steel | 1 | 4 | 1/8" | 0000000 | 00000 | |
| 5/16"-18 | 0.8" | 1.07" | 0.187" | 0.154" | 0.875" | Stainless Steel | 1 | 6 | 1/8" | 0000000 | 00000 | |
| 3/8"-16 | 1" | 1.26" | 0.22" | 0.185" | 1" | Stainless Steel | 1 | 8 | 7/32" | 0000000 | 00000 | |
| 1/2"-13 | 1.09" | 1.38" | 0.25" | 0.248" | 1.25" | Stainless Steel | 1 | 10 | 1/4" | 0000000 | 00000 | |