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Help CenterCustom Length 304 Stainless Steel Spiral Punched Tube 12mm OD 0.5mm Hole 2 Weeks Delivery Support
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with annual export value exceeding US$5 Million. Our Custom Length 304 Stainless Steel Spiral Punched Tube (12mm OD, 0.5mm hole) is engineered for precision filtration and fluid distribution applications. With a proven track record serving markets across North America, South America, Europe, and Asia, we combine decades of expertise with rapid production capabilities to deliver high-quality, custom-length perforated tubing on a 2-week delivery schedule.
This spiral punched tube is manufactured from premium 304 stainless steel, offering excellent corrosion resistance, durability, and hygienic properties. The unique spiral hole pattern ensures uniform flow distribution and structural integrity, making it ideal for use in industrial filtration, oil and gas separation, chemical processing, and ventilation systems. Each tube is precisely punched with 0.5mm diameter holes arranged in a spiral configuration along the length, providing consistent performance and easy cleaning.
Key Features
- Premium Material: 304 stainless steel (1.4301) – resistant to rust, chemicals, and high temperatures up to 870°C (intermittent).
- Precision Spiral Punching: CNC-controlled punching ensures consistent hole size (0.5mm ±0.05mm) and uniform spacing.
- Custom Length: Available in any length from 100mm to 6000mm, tailored to your exact requirements.
- Fast Delivery: Standard orders shipped within 2 weeks – no long lead times.
- Open Area: Approximately 15-20% open area depending on hole pattern, optimized for flow and strength.
- Deburred Edges: All tubes are automatically deburred to prevent clogging and ensure safe handling.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel (AISI 304) |
| Outer Diameter (OD) | 12 mm |
| Wall Thickness | 1.0 mm (standard) – other thicknesses available upon request |
| Hole Diameter | 0.5 mm (0.0197 inches) |
| Hole Pattern | Spiral, 3-start or 4-start (customizable) |
| Length Range | 100 mm – 6000 mm, custom cut |
| Open Area | ~15% – 20% (depending on pitch) |
| Surface Finish | Mill finish; optional passivation or electropolishing |
| Delivery Time | 2 weeks (standard orders) |
| Packaging | Plastic caps, bubble wrap, and plywood crates for export |
Benefits for Your Business
- Reduce Inventory Costs: Order exactly the length you need – no waste, no extra cutting.
- Improve System Performance: Uniform spiral pattern minimizes pressure drop while maximizing filtration efficiency.
- Long Service Life: 304 stainless steel resists corrosion in harsh environments, reducing replacement frequency.
- Quick Turnaround: 2-week delivery helps you meet tight project deadlines without sacrificing quality.
- Global Logistics: We ship from ports in Tianjin, Qingdao, Shanghai, and Foshan, covering all major shipping routes.
- Flexible Customization: Hole size, pattern, end fittings (threaded, flanged), and surface treatment are all customizable.
Our spiral punched tubes are widely used in oil and gas well screens, water treatment filter cartridges, pneumatic silencers, heat exchanger elements, and food processing equipment. The 0.5mm hole size is particularly suitable for fine particle filtration down to 500 microns. With over 25 years of manufacturing experience, we have supplied thousands of meters of perforated tubing to satisfied clients worldwide.
Trust Anping Boli Hardware Wiremesh Products Factory – your reliable partner in precision metal forming. We employ strict quality control procedures including dimensional checks, hole measurement, and material certification. Our factory is located in Hengshui, Hebei, the heart of China's wire mesh industry, giving us access to high-quality raw materials and skilled labor. Since 1998, we have built a reputation for consistent quality, competitive pricing, and on-time delivery.
Why wait? Our 2-week delivery promise cuts typical lead times in half. Whether you need 50 meters or 5000 meters, we can handle your order with speed and precision. Contact us today with your custom length requirements, and we will provide a detailed quotation and technical drawing within 24 hours. Let us help you optimize your filtration or flow system with our premium spiral punched tubes.
Frequently Asked Questions
Q: What is the minimum order quantity (MOQ) for custom length tubes?
A: Our MOQ is 100 meters total length, but we can accommodate smaller trial orders for first-time customers. Please inquire with your specific needs.
Q: Can the hole size be changed to a different diameter?
A: Yes, we offer hole sizes from 0.3mm to 5mm, and the spiral pattern can be adjusted accordingly. Custom hole sizes require tooling change, which may affect lead time slightly.
Q: Is the 304 stainless steel suitable for food contact applications?
A: Yes, 304 stainless steel is food-grade and commonly used in food processing equipment. We can also provide surface passivation to meet hygiene standards.
Q: Do you offer end finishing like threading or flanging?
A: Absolutely. We can supply tubes with plain ends, threaded ends (NPT/BSP), or welded flanges. These are customizable options – just let us know your requirements.
Q: How is the spiral hole pattern different from straight row punching?
A: The spiral pattern distributes holes evenly along the tube circumference, reducing stress concentration and improving flow distribution. It also makes the tube stronger under radial pressure compared to straight rows.
Q: What is the tube wall thickness? Can it be customized?
A: Standard wall thickness is 1.0mm. We also offer 0.8mm, 1.2mm, and 1.5mm options. Custom thicknesses are available upon request.
Q: Do you provide samples before bulk order?
A: Yes, we offer free samples of up to 300mm length for evaluation. The buyer only needs to cover shipping cost. We can also provide a quote for paid samples if needed.
Q: How do you ensure the tubes are not damaged during shipping?
A: We use individual plastic caps, bubble wrap, and sturdy plywood crates for export. For fragile lengths, we add internal support. Our packaging is designed to withstand ocean freight conditions.
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