For detail shipping instructions, please check Delivery Guide.
Spring plungers with ball and hex socket
standard spring pressure
Refer to: steel BN20199, stainless steel BN20201
| d1 | I | a | d2 | Wrench Size | F1~N | F2~N |
| M3 | 8.0 | 0.4 | 1.5 | 1.5 | 3.0 | 4.5 |
| M4 | 12.0 | 0.8 | 2.5 | 2.0 | 8.5 | 14.0 |
| M5 | 14.0 | 0.9 | 3.0 | 2.5 | 8.0 | 14.0 |
| M6 | 15.0 | 1.0 | 3.5 | 3.0 | 11.0 | 18.0 |
| M8 | 18.0 | 1.5 | 4.5 | 4.0 | 18.0 | 31.0 |
| M10 | 23.0 | 2.0 | 6.0 | 5.0 | 24.0 | 45.0 |
| M12 | 26.0 | 2.5 | 8.0 | 6.0 | 26.0 | 49.0 |
| M16 | 33.0 | 3.5 | 10.0 | 8.0 | 41.0 | 86.0 |
| M20 | 43.0 | 4.5 | 12.0 | 10.0 | 56.0 | 111.0 |
| M24 | 48.0 | 5.5 | 15.0 | 12.0 | 81.0 | 151.0 |
Steel: Alloy steel , grade 12.9 , black oxide
Stainless steel: 304 (18-8), passivated
Product Advantages
Structural and Design Advantages
The design of these spring plungers with ball integrates a hardened spherical ball and hex socket drive, which ensures solid retention and easy tool engagement in one compact unit. The black oxide finish not only enhances corrosion resistance but also minimizes friction during operation. The structural reliability of the alloy steel material paired with a grade 12.9 strength classification allows the plungers to withstand high mechanical stress. Their compact design enables integration into tight spaces, supporting modular assembly configurations. The threading precision offers excellent compatibility with standard fastener systems, making these components versatile solutions that adapt to a variety of fastening needs.
Performance and User-Centric Benefits
From a usability standpoint, these spring plungers with ball stand out by delivering consistent spring pressure that maintains a stable hold, facilitating user confidence during repeated repositioning tasks. The hex socket feature allows for simple installation and removal using standard tools, enhancing overall efficiency. Its durable construction equates to extended product life, reducing downtime and replacement frequency. Practical for both professional and casual users, the spring plungers provide tactile feedback that assists in confirming secure engagement without overtightening. This enhances operational safety and precision, making the product an excellent choice for workflows that demand quick adjustments or frequent maintenance.
FAQ
What materials are used in your spring plungers?
Our spring plungers are made from high-grade alloy steel with a black oxide finish to ensure durability and corrosion resistance. This material, combined with a hardened ball and Grade 12.9 strength, guarantees reliable performance in demanding applications.
Can I order spring plungers with special drive types or sizes?
We primarily supply standard spring plungers with ball and hex socket drives in M10X25 size. For customized sizes or drive types, please contact us directly to discuss your specific requirements and options.
How do I install the M10X25 spring plungers properly?
Installation is straightforward using the hex socket drive designed for confined spaces. The hardened spherical ball and standard spring pressure ensure secure positioning. We recommend verifying thread compatibility and torque settings per your fixture requirements.
What shipping options and documents do you provide with orders?
We offer DHL and FedEx shipping options, with packaging in 2kg units. For every order, we provide ROHS certification, mill certificates, and dimensional reports via email to support your quality and compliance needs. Freight cost is calculated at checkout.
Shanghai Screwtool is a long-standing OEM supplier who has served US and Europe fastener industry for over 20 years.
If you have regular demands for screws and fasteners, we recommend that you can contact us directly (info@shscrewtool.com) for economic offer and complete service.
