For detail shipping instructions, please check Delivery Guide.
Spring plungers with ball and slot
standard spring pressure
Refer to: steel BN13363, stainless steel BN13370
| d1 | I | a | d2 | F1~N | F2~N |
| M3 | 7.0 | 0.4 | 1.5 | 3.0 | 4.5 |
| M4 | 9.0 | 0.8 | 2.5 | 8.5 | 14.0 |
| M5 | 12.0 | 0.9 | 3.0 | 8.0 | 14.0 |
| M6 | 14.0 | 1.0 | 3.5 | 11.0 | 18.0 |
| M8 | 16.0 | 1.5 | 4.5 | 18.0 | 31.0 |
| M10 | 19.0 | 2.0 | 6.0 | 24.0 | 45.0 |
| M12 | 22.0 | 2.5 | 8.0 | 26.0 | 49.0 |
| M16 | 24.0 | 3.5 | 10.0 | 41.0 | 86.0 |
| M20 | 30.0 | 4.5 | 12.0 | 56.0 | 111.0 |
| M24 | 34.0 | 5.5 | 15.0 | 81.0 | 151.0 |
Steel: Alloy steel , grade 12.9 , black oxide
Stainless steel: 304 (18-8), passivated
Product Advantages
Engineering-Driven Structural Benefits
The M4X4 spring plungers feature a compact, modular design that integrates efficiently with clinching studs and fasteners, minimizing footprint within assemblies. Their ball and slot mechanism provides a stable and secure engagement, enhancing structural integrity in fixture setups. Constructed for easy incorporation with clinching nuts, their stainless steel finish resists environmental wear and corrosion, extending service life. This system-level adaptability ensures these plungers fit varying operational requirements without sacrificing mechanical reliability.
Enhanced Performance and User Efficiency
Users benefit from consistent spring pressure ensuring repeatable retention and ease of disengagement, reducing setup times in repetitive tasks. The high cycle durability and corrosion resistance delivered by stainless steel construction lower maintenance needs and downtime. Their compatibility with standard thread sizes and integration alongside clinching fasteners simplify installation and replacement. Overall, these features produce a user-friendly solution that enhances workflow efficiency while sustaining precision through extensive operational use.
FAQ
What materials are used in the M4X4 Spring Plungers with ball and slot?
Our M4X4 spring plungers are made from stainless steel (A2) with a passivated finish for corrosion resistance, and we also offer steel variants with a black oxide finish. These materials ensure durability and reliable performance in demanding applications involving clinching fasteners.
Can I order custom sizes or specifications for your spring plungers?
We currently provide standard M4 size spring plungers as listed. For specific project needs involving self clinching fasteners or special configurations, please contact us directly. We’re happy to discuss your requirements and possible solutions.
How do I install these M4X4 spring plungers in my fixture?
Installation is straightforward: simply screw the M4 threaded plunger into the designated fixture hole. Their compact size and spring-loaded ball mechanism are ideal for easy integration into tooling, jigs, or assembly lines to ensure precise positioning and repeatable lock.
What is the typical lead time and shipping policy for orders?
Orders below 20 kgs usually ship within 3–5 days; 20–100 kgs require 5–10 days, and larger shipments might take 15–20 days. We accept orders via our online platform or email, and shipping costs are detailed on the product page to support your planning and budgeting needs.
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.
