

Steel Body - SS or Delrin Nose - Locking Element - Inch
(46)The Nylok locking element holds the Plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 Degree countersink 1/32 larges than the major diameter of the mating thread to prevent damaging the element and reducing the locking torque.
-
Features
- Steel Body
- Please see individual sku to see if part is SS or Delrin Nose
- All Plungers are Standard with Nylok Element
- Slotted Drive
- Locking Element


SS Body - SS or Delrin Nose - Locking Element - Inch
(46)The Nylok locking element holds the Plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 Degree countersink 1/32 larges than the major diameter of the mating thread to prevent damaging the element and reducing the locking torque.
-
Features
- Stainless Steel Body
- Please see individual sku to see if part is SS or Delrin Nose
- All Plungers are Standard with Nylok Element
- Slotted Drive


SS Body - SS or Delrin Nose - No Locking Element - Inch
(46)The Nylok locking element holds the Plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 Degree countersink 1/32 larges than the major diameter of the mating thread to prevent damaging the element and reducing the locking torque.
-
Features
- Stainless Steel Body
- Please see individual sku to see if part is SS or Delrin Nose
- All Plungers are Standard with Nylok Element
- Slotted Drive


Steel Body - Nylok - SS or Delrin Nose - Locking Element - Metric
(32)The Nylok locking element holds the Plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 Degree countersink 1/32 larges than the major diameter of the mating thread to prevent damaging the element and reducing the locking torque.
-
Features
- Steel Body
- Please see individual sku to see if part is SS or Delrin Nose
- All Plungers are Standard with Nylok Element
- Metric Thread


Steel Body - Nylok - SS or Delrin Nose - No Locking Element - Metric
(32)
-
Features
- Steel Body
- Please see individual sku to see if part is SS or Delrin Nose
- All Plungers are Standard with Nylok Element
- Metric Thread


Brass Spring Plungers - No Nylon Patch - Inch
(22) We are an ISO 9001:2015 & AS9100D certified manufacturer of Brass Spring Plungers. Many types available in metric and inch sizes and in a variety of materials including stainless steel, steel, thermoplastic and etc. We also offer many styles with locking element sizes to meet your needs. /Asset/Brass_Spring_Plunger.jpg

Brass Spring Plungers - Nylon Patch - Inch
(22)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.
/Asset/Brass_Spring_Plunger.jpg
Hex Long-Lok Thread
OneMonroe's Hex Long-Lok Thread Lock Plungers are engineered to meet the demands of high-performance applications that require robust resistance to vibration. Featuring a specialized Long-Lok thread lock design, these plungers incorporate a resilient nylon insert, which provides a unique locking mechanism by wedging firmly between the threads of the plunger and the fastening component. This innovative approach ensures exceptional holding power and minimizes the risk of loosening under dynamic conditions, making it ideal for applications where stability and reliability are essential.
Our Hex Long-Lok Thread Lock Plungers stand out because they do not rely on initial tension or require a specific orientation, allowing for secure engagement at any position. The Long-Lok system delivers a high loosening torque without compromising reusability or performance, and it effectively prevents fastener slippage in even the most demanding environments. At OneMonroe, we take pride in offering products that exceed industry standards; each plunger is meticulously pressure and function-tested to guarantee consistent quality and reliable performance.
From industrial machinery to automotive applications, our Hex Long-Lok Thread Lock Plungers offer versatile solutions for applications where vibration resistance is critical. Engineered with precision and backed by OneMonroe's commitment to excellence, these plungers help minimize maintenance costs and ensure long-lasting functionality in various operational environments. Choose OneMonroe's Hex Long-Lok Thread Lock Plungers for superior quality, dependable performance, and exceptional value in your fastening needs.
/Asset/Hex-Long-Lok-Thread.jpg
Slotted Long-Lok Thread
OneMonroe’s Slotted Long-Lok Thread offers an innovative solution for applications where strong, reliable fastening is essential. Utilizing a resilient nylon insert, this advanced thread-locking system provides exceptional resistance to vibration, helping maintain tight, secure connections under even the most demanding conditions. The Long-Lok thread is designed to prevent unintentional loosening, ensuring stability and functionality in a wide range of applications, including industrial machinery, transportation, and heavy equipment. For customers seeking optimal security and performance, the Slotted Long-Lok Thread offers a trusted and effective solution.
What sets OneMonroe’s Long-Lok thread apart is its unique locking mechanism. The nylon insert acts as a flexible wedge, fitting between the plunger thread and the fastening component to create an exceptionally high loosening torque. Unlike traditional fasteners that rely on pre-set tension or specific positioning, the Long-Lok thread lock secures in any position, offering unparalleled adaptability and ease of installation. Each plunger is rigorously pressure- and function-tested, guaranteeing that every unit meets our high standards for durability and performance. With OneMonroe’s Slotted Long-Lok Thread, you can confidently tackle projects that demand maximum stability and vibration resistance.
/Asset/Hex-Long-Lok-Thread.jpg