Brass Spring Plungers - Nylon Patch - Inch
Ball Plunger (12 Styles)
OneMonroe’s Brass Spring Plungers with Nylon Patch provide reliable indexing and positioning solutions for precision applications. Designed with a durable brass body, these spring plungers offer excellent corrosion resistance and electrical conductivity, making them ideal for industries such as electronics, medical, and general manufacturing. The integrated nylon patch enhances thread retention, preventing loosening due to vibration or repeated use. Available in inch sizes, these plungers ensure precise performance in mechanical assemblies that require consistent force and secure engagement.
Engineered for high-performance applications, our Brass Spring Plungers with Nylon Patch are suitable for use in jigs, fixtures, and positioning devices where durability and adjustability are key. The nylon patch acts as a self-locking mechanism, reducing the need for additional locking elements while maintaining a firm hold. Whether used for detent positioning, pressure control, or quick-release mechanisms, these plungers provide a dependable and cost-effective solution. Explore OneMonroe’s extensive selection of inch-sized brass spring plungers to find the right fit for your application.
Item # |
CAD |
IntegrationID |
Thread Size |
End Force (Start) |
End Force (Final) |
B - Body Length |
C - Exposed Length |
D - Ball Dia |
Patch |
End Pressure Initial-Final |
|---|---|---|---|---|---|---|---|---|---|---|
| 57001B-P |
CAD
N/A 
|
IntegrationID
N/A 75641 |
Thread Size N/A 5-40 | End Force (Start) N/A 0.25 lbs | End Force (Final) N/A 0.75 lbs | B - Body Length N/A 0.250 in | C - Exposed Length N/A 0.020 in | D - Ball Dia N/A 0.062 in | Patch N/A Yes | End Pressure Initial-Final N/A 0.25 to 0.75 |
| 57002B-P |
CAD
N/A
|
IntegrationID
N/A 75642 |
Thread Size N/A 6-40 | End Force (Start) N/A 0.5 lbs | End Force (Final) N/A 1.00 lbs | B - Body Length N/A 0.312 in | C - Exposed Length N/A 0.023 in | D - Ball Dia N/A 0.078 in | Patch N/A Yes | End Pressure Initial-Final N/A 0.50 to 1.00 |
| 57003B-P |
CAD
N/A
|
IntegrationID
N/A 75643 |
Thread Size N/A 8-32 | End Force (Start) N/A 0.5 lbs | End Force (Final) N/A 1.25 lbs | B - Body Length N/A 0.344 in | C - Exposed Length N/A 0.025 in | D - Ball Dia N/A 0.094 in | Patch N/A Yes | End Pressure Initial-Final N/A 0.50 to 1.25 |
| 57004B-P |
CAD
N/A
|
IntegrationID
N/A 75644 |
Thread Size N/A 8-36 | End Force (Start) N/A 0.5 lbs | End Force (Final) N/A 1.25 lbs | B - Body Length N/A 0.344 in | C - Exposed Length N/A 0.025 in | D - Ball Dia N/A 0.094 in | Patch N/A Yes | End Pressure Initial-Final N/A 0.50 to 1.25 |
| 57005B-P |
CAD
N/A
|
IntegrationID
N/A 75645 |
Thread Size N/A 10-32 | End Force (Start) N/A 1.5 lbs | End Force (Final) N/A 3.00 lbs | B - Body Length N/A 0.513 in | C - Exposed Length N/A 0.025 in | D - Ball Dia N/A 0.094 in | Patch N/A Yes | End Pressure Initial-Final N/A 1.50 to 3.00 |
| 57006B-P |
CAD
N/A
|
IntegrationID
N/A 75646 |
Thread Size N/A 10-32 | End Force (Start) N/A 0.5 lbs | End Force (Final) N/A 1.5 lbs | B - Body Length N/A 0.513 in | C - Exposed Length N/A 0.025 in | D - Ball Dia N/A 0.094 in | Patch N/A Yes | End Pressure Initial-Final N/A 0.50 to 1.50 |
| 57007B-P |
CAD
N/A
|
IntegrationID
N/A 75647 |
Thread Size N/A 10-32 | End Force (Start) N/A 2 lbs | End Force (Final) N/A 5 lbs | B - Body Length N/A 0.513 in | C - Exposed Length N/A 0.025 in | D - Ball Dia N/A 0.094 in | Patch N/A Yes | End Pressure Initial-Final N/A 2.00 to 3.00 |
| 57008B-P |
CAD
N/A
|
IntegrationID
N/A 75648 |
Thread Size N/A 1/4-20 | End Force (Start) N/A 3 lbs | End Force (Final) N/A 7.00 lbs | B - Body Length N/A 0.531 in | C - Exposed Length N/A 0.035 in | D - Ball Dia N/A 0.125 in | Patch N/A Yes | End Pressure Initial-Final N/A 3.00 to 7.00 |
| 57009B-P |
CAD
N/A
|
IntegrationID
N/A 75649 |
Thread Size N/A 1/4-20 | End Force (Start) N/A 2 lbs | End Force (Final) N/A 4 lbs | B - Body Length N/A 0.531 in | C - Exposed Length N/A 0.035 in | D - Ball Dia N/A 0.125 in | Patch N/A Yes | End Pressure Initial-Final N/A 2.00 to 4.00 |
| 57010B-P |
CAD
N/A
|
IntegrationID
N/A 75650 |
Thread Size N/A 1/4-20 | End Force (Start) N/A 4.00 lbs | End Force (Final) N/A 12.00 lbs | B - Body Length N/A 0.531 in | C - Exposed Length N/A 0.035 in | D - Ball Dia N/A 0.125 in | Patch N/A Yes | End Pressure Initial-Final N/A 4.00 to 12.00 |
| 57011B-P |
CAD
N/A
|
IntegrationID
N/A 75651 |
Thread Size N/A 5/16-18 | End Force (Start) N/A 4.00 lbs | End Force (Final) N/A 9.00 lbs | B - Body Length N/A 0.578 in | C - Exposed Length N/A 0.040 in | D - Ball Dia N/A 0.156 in | Patch N/A Yes | End Pressure Initial-Final N/A 4.00 to 9.00 |
| 57012B-P |
CAD
N/A
|
IntegrationID
N/A 75652 |
Thread Size N/A 5/16-18 | End Force (Start) N/A 2 lbs | End Force (Final) N/A 4.50 lbs | B - Body Length N/A 0.578 in | C - Exposed Length N/A 0.040 in | D - Ball Dia N/A 0.156 in | Patch N/A Yes | End Pressure Initial-Final N/A 2.00 to 4.50 |
| 57013B-P |
CAD
N/A
|
IntegrationID
N/A 75653 |
Thread Size N/A 5/16-18 | End Force (Start) N/A 6.00 lbs | End Force (Final) N/A 17.00 lbs | B - Body Length N/A 0.578 in | C - Exposed Length N/A 0.040 in | D - Ball Dia N/A 0.156 in | Patch N/A Yes | End Pressure Initial-Final N/A 6.00 to 17.00 |
| 57014B-P |
CAD
N/A
|
IntegrationID
N/A 75654 |
Thread Size N/A 3/8-16 | End Force (Start) N/A 5 lbs | End Force (Final) N/A 10.00 lbs | B - Body Length N/A 0.63 in | C - Exposed Length N/A 0.048 in | D - Ball Dia N/A 0.188 in | Patch N/A Yes | End Pressure Initial-Final N/A 5.00 to 10.00 |
| 57015B-P |
CAD
N/A
|
IntegrationID
N/A 75655 |
Thread Size N/A 3/8-16 | End Force (Start) N/A 2.50 lbs | End Force (Final) N/A 5 lbs | B - Body Length N/A 0.63 in | C - Exposed Length N/A 0.048 in | D - Ball Dia N/A 0.188 in | Patch N/A Yes | End Pressure Initial-Final N/A 2.50 to 5.00 |
| 57016B-P |
CAD
N/A
|
IntegrationID
N/A 75656 |
Thread Size N/A 3/8-16 | End Force (Start) N/A 6.00 lbs | End Force (Final) N/A 21.00 lbs | B - Body Length N/A 0.63 in | C - Exposed Length N/A 0.048 in | D - Ball Dia N/A 0.188 in | Patch N/A Yes | End Pressure Initial-Final N/A 6.00 to 21.00 |
| 57017B-P |
CAD
N/A
|
IntegrationID
N/A 75657 |
Thread Size N/A 1/2-13 | End Force (Start) N/A 6.00 lbs | End Force (Final) N/A 12.00 lbs | B - Body Length N/A 0.75 in | C - Exposed Length N/A 0.072 in | D - Ball Dia N/A 0.281 in | Patch N/A Yes | End Pressure Initial-Final N/A 6.00 to 12.00 |
| 57018B-P |
CAD
N/A
|
IntegrationID
N/A 75658 |
Thread Size N/A 1/2-13 | End Force (Start) N/A 3 lbs | End Force (Final) N/A 6.00 lbs | B - Body Length N/A 0.75 in | C - Exposed Length N/A 0.072 in | D - Ball Dia N/A 0.281 in | Patch N/A Yes | End Pressure Initial-Final N/A 3.00 to 6.00 |
| 57019B-P |
CAD
N/A
|
IntegrationID
N/A 75659 |
Thread Size N/A 1/2-13 | End Force (Start) N/A 6.00 lbs | End Force (Final) N/A 30.00 lbs | B - Body Length N/A 0.75 in | C - Exposed Length N/A 0.072 in | D - Ball Dia N/A 0.281 in | Patch N/A Yes | End Pressure Initial-Final N/A 6.00 to 30.00 |
| 57020B-P |
CAD
N/A
|
IntegrationID
N/A 75660 |
Thread Size N/A 5/8-11 | End Force (Start) N/A 9.00 lbs | End Force (Final) N/A 18.00 lbs | B - Body Length N/A 0.984 in | C - Exposed Length N/A 0.096 in | D - Ball Dia N/A 0.375 in | Patch N/A Yes | End Pressure Initial-Final N/A 9.00 to 18.00 |
| 57021B-P |
CAD
N/A
|
IntegrationID
N/A 75661 |
Thread Size N/A 5/8-11 | End Force (Start) N/A 4.5 lbs | End Force (Final) N/A 9.00 lbs | B - Body Length N/A 0.984 in | C - Exposed Length N/A 0.096 in | D - Ball Dia N/A 0.375 in | Patch N/A Yes | End Pressure Initial-Final N/A 4.50 to 9.00 |
| 57022B-P |
CAD
N/A
|
IntegrationID
N/A 75662 |
Thread Size N/A 5/8-11 | End Force (Start) N/A 7 lbs | End Force (Final) N/A 50 lbs | B - Body Length N/A 0.984 in | C - Exposed Length N/A 0.096 in | D - Ball Dia N/A 0.375 in | Patch N/A Yes | End Pressure Initial-Final N/A 7.00 to 50.00 |
