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Help Center18/8 Stainless Steel French Press Plunger Filter Disc 70mm 300 Micron Coarse Screen
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 specializing in precision wire mesh and filtration components. Our 18/8 Stainless Steel French Press Plunger Filter Disc 70mm 300 Micron Coarse Screen is engineered to deliver consistent performance for coffee enthusiasts and commercial brewers alike. Crafted from high-grade 18/8 stainless steel (304 grade), this filter disc offers excellent corrosion resistance, durability, and a clean taste profile, ensuring your French press coffee remains free of unwanted sediments while allowing essential oils and fine particles to pass through for a full-bodied brew.
With a diameter of 70mm and a 300 micron coarse mesh, this disc is designed to fit most standard French press plungers. The coarse screen is ideal for coarsely ground coffee, preventing clogging and ensuring smooth plunging action. Whether you need a replacement part or a custom solution for your brewing equipment, our factory’s decades of experience in wire mesh manufacturing guarantee precision and consistency in every piece.
Product Features & Benefits
- Premium Material: Made from 18/8 stainless steel (304 grade), offering superior rust resistance and long service life. No metallic taste – preserves the pure flavor of your coffee.
- Precise Dimensions: 70mm diameter with a thickness of approximately 1.5mm (customizable upon request), ensures a tight seal in the plunger assembly.
- 300 Micron Coarse Mesh: Specifically designed for coarse coffee grounds, allowing optimal extraction while keeping grounds out of your cup. Easy to clean and reusable.
- Versatile Application: Ideal for French press plungers, but also suitable for other brewing systems, laboratory filtration, or fluid straining.
- Easy Maintenance: Dishwasher safe and resistant to deformation. Simply rinse or brush off coffee grounds after use.
- Customizable Options: Available in different diameters, mesh sizes, and edge finishes (e.g., rolled edge, flat edge) to meet specific OEM requirements.
Technical Specifications
| Parameter | Value | Notes |
| Material | 18/8 Stainless Steel (304) | Food grade, corrosion resistant |
| Diameter | 70 mm (±0.5 mm) | Fits most standard French press plungers |
| Mesh Opening | 300 microns (approx. 48 mesh) | Coarse screen for large particles |
| Thickness | 1.5 mm (standard) | Customizable upon request |
| Surface Finish | Natural silver, no coating | Option for electropolishing available |
| Packaging | Bulk or individual polybag | Custom packaging for OEM orders |
The 70mm 300 micron coarse screen is manufactured using advanced weaving and stamping techniques, ensuring uniform mesh openings and a flat disc surface. This precision eliminates weak points and prolongs the filter’s lifespan. Compared to paper filters, our stainless steel disc is reusable for years, saving cost and reducing waste.
Why Choose Boli Factory?
Established in 1998, Anping County Boli Hardware Wiremesh Products Factory has accumulated over 25 years of expertise in wire mesh fabrication. With an annual export value of US$5 million to US$10 million, we serve clients across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring reliable logistics worldwide.
We understand that quality and consistency are critical for B2B buyers. Each batch of filter discs undergoes strict inspection for dimensional accuracy, mesh integrity, and surface finish. Our factory is equipped with modern weaving looms and stamping presses, enabling us to handle both standard and custom orders with fast turnaround times.
Whether you are a coffee equipment manufacturer, a distributor, or a retailer looking for a reliable replacement part, our 18/8 Stainless Steel French Press Plunger Filter Disc offers an unbeatable combination of quality, durability, and value. Contact us today for samples, bulk pricing, or custom specifications. We look forward to partnering with you!
Frequently Asked Questions
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Is this filter disc compatible with all French press brands?
It fits most standard plungers with a 70mm diameter. We recommend measuring your existing plunger’s inner diameter to confirm compatibility. Custom sizes are available upon request. -
What is the advantage of a 300 micron coarse screen over a finer mesh?
A 300 micron mesh is ideal for coarse coffee grounds, preventing clogging and allowing full extraction of oils and flavor. It also reduces the effort needed to press the plunger. -
Can this filter disc be used for other beverages or liquids?
Yes, it can be used for straining tea, infusions, or even as a filtration component in laboratory equipment. Ensure the liquid is not too acidic to avoid potential corrosion. -
How do I clean the stainless steel filter disc?
Rinse under running water and brush with a soft brush. It is dishwasher safe. For stubborn residue, soak in warm water with mild detergent. -
Is the material food safe and BPA free?
Absolutely. 18/8 stainless steel is food grade and contains no harmful coatings. It is BPA-free and safe for contact with hot beverages. -
Do you offer custom diameters or mesh sizes?
Yes, we can produce discs from 50mm to 100mm in diameter, with mesh sizes ranging from 100 to 800 microns. Custom edge finishing (rolled, flat, or double wire) is also available. -
What is the minimum order quantity (MOQ) for bulk orders?
Our MOQ for standard items is 100 pieces. For custom specifications, MOQ may vary. Contact our sales team for details. -
How long does shipping take to my country?
Typical lead time is 7–15 days for stock items, and 20–30 days for custom orders. Shipping via sea or air depends on the destination. We ship from multiple ports for cost efficiency.
Backed by decades of manufacturing experience and a global export network, Boli Factory is your trusted partner for high-quality stainless steel filter discs. Place your order today and experience the difference of precision-crafted filtration.
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