Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Nose Material Nose Material |
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Body Type Body Type |
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 | Threaded |
Body Material Body Material |
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Locking Type Locking Type |
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| Without Thread Locker | Thread Locker |
Drive Style Drive Style |
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| Slotted | Hex | Spring Plunger Wrench |
Compressed Nose Force Compressed Nose Force |
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Thread Type Thread Type |
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Thread Pitch Thread Pitch |
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Extended Nose Force Extended Nose Force |
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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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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Body Finish Body Finish |
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Slotted Ball-Nose Spring Plungers
Install these spring plungers with a screwdriver—they're slotted on one or both ends. The ball nose rolls to minimize wear and allow parts to move in and out of position.
Steel is strong and wear resistant.
440C stainless steel is hard, wear resistant, and mildly chemical resistant.
18-8 stainless steel is chemical resistant.
Plastic is chemical resistant and lightweight; nylon noses are extra soft to minimize marring soft surfaces such as aluminum.
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 locking element 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 | Nose Force, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Body Lg., mm | Extended Lg., mm | Dia., mm | Min. Temp., °F | Max. Temp., °F | Extended | Compressed | Choose a Locking Type | Each | |
Steel Body and 440C Stainless Steel Nose | |||||||||||
| M4 | 0.7 | 9 | 0.8 | 2.5 | __ | __ | 0.9 | 2.3 | 0000000 | 00000 | |
Steel Body and Nylon Plastic Nose | |||||||||||
| M4 | 0.7 | 9 | 0.8 | 2.5 | Not Rated | 200° | 0.9 | 2.3 | 0000000 | 0000 | |
18-8 Stainless Steel Body and 440C Stainless Steel Nose | |||||||||||
| M4 | 0.7 | 9 | 0.8 | 2.5 | __ | __ | 0.9 | 2.3 | 00000000 | 0000 | |
18-8 Stainless Steel Body and Nylon Plastic Nose | |||||||||||
| M4 | 0.7 | 9 | 0.8 | 2.5 | Not Rated | 200° | 0.9 | 2.3 | 0000000 | 0000 | |
Long-Nose Spring Plungers
Install from the nose end without depressing the nose using a driver (sold separately). With a nose that is longer than a ball-nose, these provide a large bearing surface to handle side loads.
Steel is strong and wear resistant. Black-oxide steel bodies resist corrosion in dry environments.
18-8 stainless steel is chemical resistant.
Plastic is chemical resistant and lightweight; acetal noses are extra soft to minimize marring soft surfaces such as aluminum.
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 locking element 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.
Spring Plungers | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread | Body | Nose | Nose Force, lbs. | Drivers | ||||||||
| Size | Thread Pitch | Length | Extended Lg. | Diameter | Temperature Range | Extended | Compressed | Choose a Locking Type | Each | Each | ||
Acetal Plastic Nose | ||||||||||||
| M4 | 0.7 mm | 15mm | 1.5mm | 1.5mm | -20 to 210° F | 1 | 3.6 | 0000000 | 00000 | 0000000 | 00000 | |
| M4 | 0.7 mm | 15mm | 1.5mm | 1.5mm | -20 to 210° F | 1 | 3.6 | 0000000 | 00000 | 0000000 | 0000 | |
Hex-Drive Long-Nose Spring Plungers
Install with a hex key for more torque than slotted long-nose spring plungers. These spring plungers have a nose that is longer than ball-nose spring plungers to provide a large bearing surface and handle side loads.
Steel is strong and wear resistant. Black-oxide steel bodies resist corrosion in dry environments.
Plastic is chemical resistant and lightweight; acetal noses are extra soft to minimize marring soft surfaces such as aluminum.
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 element 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 | Nose Force, lbs. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Body Lg., mm | Extended Lg., mm | Dia., mm | Temp. Range, °F | Extended | Compressed | Drive Size, mm | Choose a Locking Type | Each | |
Black-Oxide Steel Body and Acetal Plastic Nose | |||||||||||
| M4 | 0.7 | 15.9 | 2.4 | 1.8 | -40° to 190° | 2.7 | 7.3 | 2 | 0000000 | 00000 | |
Drivers for Spring Plungers
Install spring plungers from the nose end without depressing the nose.
| For Thread Size | For Spring Plunger Nose Type | Each | |
Steel | |||
|---|---|---|---|
| 8-32, M4 | Ball Nose, Long Nose | 0000000 | 00000 |