Abrasion Resistant Perforated Filter Plate for Coal Preparation, 10mm Hole Pitch
Product Spotlights
As a leading manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in producing high-quality abrasion resistant perforated filter plates designed specifically for coal preparation. Our 10mm hole pitch plates offer exceptional durability and precise screening performance, ensuring efficient separation and dewatering in harsh mining environments. With annual export value exceeding US$5 million, our products are trusted by clients across North America, South America, Europe, Southeast Asia, Africa, and Oceania.
These perforated plates are engineered to withstand extreme wear and impact, making them ideal for vibrating screens, trommels, and filter presses in coal washing plants. The 10mm hole pitch provides optimal balance between open area and structural integrity, maximizing throughput while minimizing blinding. Customizable in material, thickness, and hole configuration, our plates deliver consistent performance under heavy loads.
Key Features & Benefits
- Abrasion Resistance: Made from high-carbon steel or manganese steel (up to 500 HB), extending service life 3–5 times longer than standard plates.
- Precise Hole Pitch: CNC-punched with 10mm center-to-center spacing, ensuring uniform screening and reduced material carryover.
- Customizable Dimensions: Available in thicknesses from 3mm to 12mm, with plate sizes up to 2000mm x 6000mm (or custom).
- Anti-Clogging Design: Tapered or counter-sunk holes reduce plugging, improving dewatering efficiency.
- Easy Installation: Flat or beveled edges allow quick attachment to screen frames or filter presses.
- Optional Surface Treatment: Galvanizing, epoxy coating, or heat treatment for enhanced corrosion resistance.
Technical Specifications
| Material | Carbon steel (Q235), Stainless steel (304/316), Manganese steel (Mn13/16) |
| Hole Pitch | 10mm (center-to-center) |
| Hole Diameter | 6mm, 8mm, 10mm, 12mm or custom |
| Thickness | 3mm – 12mm (customizable) |
| Open Area Ratio | Approx. 40% – 60% depending on hole diameter |
| Max Plate Size | 2000mm x 6000mm (or custom) |
| Surface Treatment | Galvanized, painted, black oxide, or plain |
| Application | Coal screening, dewatering, filtration, aggregate processing |
Why Choose Boli Perforated Filter Plates?
- Over 25 years of manufacturing experience ensures consistent quality and precision.
- Custom solutions – we can produce plates with non-standard hole patterns, shapes, and edge treatments.
- Competitive pricing due to direct factory supply and efficient production lines.
- Strict quality control – each plate is inspected for hole tolerance, flatness, and hardness.
- Global shipping from Tianjin, Qingdao, Shanghai, or Foshan ports with fast turnaround.
With an annual export value of US$5–10 million and a client base spanning over 20 countries, Anping Boli has earned a reputation for reliability and performance. Our dedicated team is ready to provide free samples and technical support to help you select the optimal plate for your coal preparation plant. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of your abrasion resistant perforated filter plate?
A: Depending on the material selected and operating conditions, our plates can last 3–5 times longer than standard mild steel plates. For manganese steel plates, lifespan can exceed 12 months in heavy-duty coal screening applications. -
Q: Can I get a custom hole pitch other than 10mm?
A: Yes, we offer customized hole pitches from 5mm to 100mm. The 10mm pitch is a standard option for coal preparation, but we can adjust to meet your specific screening requirements. -
Q: Do you provide samples for testing?
A: Absolutely. We offer free samples (courier cost paid by customer) for evaluation. Please contact our sales team to arrange a sample of your preferred material and hole configuration. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 10 pieces. For custom sizes, MOQ may be higher depending on complexity. We are flexible for trial orders. -
Q: How do you ensure the plates are flat and free from burrs?
A: After punching, each plate undergoes a flattening process and edge deburring to ensure smooth surfaces. We also check flatness with a gauge to meet industry standards. -
Q: Can you supply plates with bevelled edges for easy installation?
A: Yes, we offer both flat and beveled edge options. Bevelled edges help the plate fit snugly into screen frames and reduce wear on the frame itself. -
Q: What payment terms do you accept?
A: We accept T/T, L/C, and Western Union. For new customers, a 30% deposit is required, with the balance before shipment. For long-term partners, more flexible terms are negotiable. -
Q: What is the typical lead time for production?
A: For standard sizes, production takes 7–15 days after deposit. Custom orders may require 15–25 days, depending on quantity and complexity. We can expedite urgent orders upon request.
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