Description
Product Overview
The HARFINGTON ball point spring plunger collection is engineered for high‑precision positioning in a wide range of mechanical and furniture applications. Crafted from 304 stainless steel, each plunger offers exceptional corrosion resistance, heat tolerance, and structural integrity, ensuring a long service life even in demanding environments. The plunger dimensions—10 mm body diameter, 13 mm body length, and an overall length of 16 mm—provide a compact yet robust component that fits seamlessly into standard mounting holes and fixtures.
Precision casting and polishing processes give the beads a smooth surface finish (Ra 3.2) that minimizes friction while maximizing load‑bearing capacity. The elastic range of 40 N allows the plunger to absorb shock and maintain consistent pressure without deformation. The step‑free design eliminates any positional lag, granting users rapid and accurate adjustments during assembly or maintenance. This combination of material quality, dimensional accuracy, and functional design makes the HARFINGTON spring plunger a reliable choice for engineers, cabinet makers, and DIY enthusiasts alike.
Usage
These spring plungers excel in applications where precise, repeatable positioning is essential. In cabinetry, they serve as latch mechanisms for drawer fronts, cabinet doors, and hidden compartments, delivering a smooth opening and closing experience while preventing accidental disengagement. In industrial settings, the plungers are used to secure tooling fixtures, align moving parts in automation machinery, and provide pressure points in mechanical assemblies that require quick release and re‑engagement.
Because the plunger is made from stainless steel, it resists rust and corrosion, making it suitable for environments with high humidity or exposure to chemicals, such as laboratory equipment, marine hardware, and outdoor furniture assemblies. Installation is straightforward: the plunger is pressed into a pre‑drilled hole, and the spring action automatically locks it in place, eliminating the need for additional fasteners or complex adjustments. This ease of use reduces assembly time and simplifies maintenance, allowing users to focus on the functional aspects of their projects.
Why Choose Us
Choosing HARFINGTON means selecting a brand committed to quality, consistency, and customer satisfaction. Each batch of spring plungers undergoes rigorous testing for dimensional tolerance (±0.05 mm) and elasticity to guarantee that every unit performs within the specified parameters. Our manufacturing process adheres to ISO‑9001 standards, ensuring that the final product meets international quality benchmarks.
Beyond the product itself, HARFINGTON provides responsive technical support and a clear warranty policy. Should any issue arise during installation or operation, our knowledgeable support team is ready to assist with troubleshooting, replacement parts, or guidance on optimal usage. This comprehensive after‑sales service reinforces the reliability of our plungers and gives customers confidence in their long‑term investment.
Key Features
- High‑grade 304 stainless steel construction resists rust and corrosion for lasting durability.
- Compact 10 mm diameter and 13 mm length design fits standard mounting holes without sacrificing strength.
- Step‑free positioning delivers quick, accurate adjustments for efficient assembly and maintenance.
- Elastic range of 40 N provides reliable pressure while absorbing shock in dynamic applications.
- Dedicated customer support and warranty ensure peace of mind and easy resolution of any issues.
FAQ
What material is used for the plunger and why is it important?
The plunger is made from 304 stainless steel, which offers excellent corrosion resistance, high tensile strength, and the ability to withstand temperature variations. This material choice ensures the plunger remains functional and reliable even in humid or chemically aggressive environments.
Can the plunger be used in both residential and industrial applications?
Yes. Its robust construction and precise dimensions make it suitable for a wide range of uses, from household cabinet hardware to heavy‑duty machinery fixtures. The step‑free design and easy installation further enhance its versatility across different sectors.
How do I install the spring plunger correctly?
First, drill a hole matching the plunger’s body diameter (10 mm) to the recommended depth. Clean the hole of debris, then press the plunger into place until it seats firmly. The internal spring will automatically lock the plunger, requiring no additional fasteners.
What maintenance is required to keep the plunger functioning optimally?
Periodically inspect the plunger for signs of wear or debris accumulation. Clean the surface with a mild detergent and a soft cloth if needed. Verify that the spring action remains smooth; replace any unit that shows reduced elasticity or damage.
Is there a warranty or guarantee for these pluggers?
HARFINGTON offers a standard one‑year warranty covering manufacturing defects. If a plunger fails due to material or workmanship issues within this period, we will provide a replacement or refund, subject to the warranty terms.




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