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Welcome to Hefei SENOTECH New Materials Co., Ltd — your trusted partner for premium architectural hardware and stainless steel solutions. As a dynamic trading company established in 2020, we have rapidly expanded our global footprint, exporting over US$1 million to US$1.5 million annually to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Today, we are proud to introduce our Duplex 2205 Glass Spigot Square Shape Friction Fit No Hole Required Mirror Finish for Staircase Balustrade — a product engineered to redefine safety, aesthetics, and installation convenience in modern railing systems.
This glass spigot is not just a hardware component; it is a solution. Made from Duplex 2205 stainless steel, it offers superior corrosion resistance and strength compared to standard 304 or 316 grades, making it ideal for both indoor and outdoor applications. The innovative friction-fit design eliminates the need to drill holes in the glass, preserving the glass integrity and creating a seamless, frameless look. With a mirror finish, every spigot adds a touch of elegance and luxury to your staircase or balcony. Whether you are an architect, contractor, or homeowner, this product delivers the perfect balance of form and function.
Key Features & Technical Specifications
- Material Excellence: Constructed from Duplex 2205 (UNS S32205) stainless steel, which contains roughly 22% chromium, 5% nickel, and 3% molybdenum. This grade offers double the yield strength of 316L and outstanding resistance to chloride stress corrosion cracking.
- Friction Fit Mechanism: The spigot uses adjustable set screws and rubber gaskets to clamp the glass without drilling. Suitable for tempered glass thicknesses from 8mm to 21.52mm (customizable upon request).
- Square Design & Mirror Finish: The clean square shape provides a modern, geometric aesthetic. Mirror polish (Ra ≤ 0.2μm) ensures a reflective, high-end appearance that matches luxury interiors.
- No Hole Required: Perfect for frameless glass railings, eliminating the risk of glass breakage from drilling and reducing installation time by up to 40%.
- Versatile Application: Suitable for staircase balustrades, balcony railings, terrace fences, pool enclosures, and commercial glass partitions.
- Easy Installation: Comes with all necessary mounting hardware (stainless steel anchors, rubber pads, Allen keys). Can be installed on wood, concrete, steel, or stone substrates.
| Parameter | Value |
|---|---|
| Material Grade | Duplex 2205 (UNS S32205) |
| Shape | Square |
| Surface Finish | Mirror (Ra ≤ 0.2μm) |
| Glass Thickness Range | 8 mm – 21.52 mm (customizable) |
| Weight Capacity (per spigot) | ≥ 200 kg (subject to glass and base conditions) |
| Spigot Dimensions (Square Base) | 50×50 mm, 60×60 mm, or custom |
| Fixation Type | Friction fit with set screws |
| Applicable Glass Type | Tempered, laminated, or heat-strengthened glass |
Why Choose This Product?
Compared to traditional glass spigots that require drilled holes, our friction-fit design offers clear advantages:
- No hole, no risk: Eliminates stress points that can cause glass cracking over time.
- Faster installation: No need for specialized drilling equipment; simply clamp the glass and tighten the screws.
- Higher durability: Duplex 2205 outperforms 316L in harsh environments (coastal, chemical, high humidity).
- Aesthetic superiority: Mirror finish catches light beautifully and complements modern architecture.
- Cost-effective: Reduced labor time and no glass preparation costs lower overall project expense.
Trust in Hefei SENOTECH New Materials — Since 2020, we have delivered over 500,000 glass hardware components to satisfied customers worldwide. Our annual export value of US$1 million to US$1.5 million reflects the reliability and quality of our products. We serve markets spanning North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and all across Europe. Every spigot is subject to strict quality control checks, including dimensional accuracy, surface finish inspection, and load testing. We stand behind our products with responsive after-sales support and fast shipping (usually 15–30 days after order confirmation).
Whether you need a sample for approval, bulk orders for large projects, or custom dimensions, we are here to help. Contact us today to discuss your staircase or balustrade requirements. Let our Duplex 2205 glass spigot be the finishing touch that elevates your project to the next level.
Frequently Asked Questions
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Q: What is Duplex 2205 and why is it better for glass spigots?
A: Duplex 2205 is a duplex stainless steel with a mixed austenitic-ferritic microstructure. It offers roughly twice the yield strength of 316L and superior resistance to pitting and stress corrosion cracking, especially in chloride-rich environments like coastal areas or swimming pools. -
Q: Can this spigot hold heavy glass panels?
A: Yes. Each spigot can support up to 200 kg (depending on glass thickness and base support). For taller panels or higher wind loads, we recommend using multiple spigots and consulting our technical team. -
Q: Do I need to drill holes in the glass?
A: No. The friction-fit design uses rubber gaskets and stainless steel set screws to clamp the glass from both sides. No holes required, which preserves glass strength and simplifies installation. -
Q: What glass thicknesses are compatible?
A: Standard compatibility covers 8 mm to 21.52 mm tempered glass. We can also customize the clamping gap for other thicknesses. Please specify when ordering. -
Q: Is the mirror finish durable?
A: Yes. The mirror polish is achieved through mechanical buffing and passivation. It is resistant to fingerprints and mild scratches under normal use. For outdoor applications, we recommend periodic cleaning with a soft cloth. -
Q: Can I get a sample before bulk purchase?
A: Absolutely. We offer pre-shipment samples (usually within 5–7 days). Sample cost is refundable upon bulk order. Contact our sales team to arrange. -
Q: What are the packaging and shipping details?
A: Each spigot is individually wrapped in foam and packed in sturdy cartons. We ship via sea, air, or courier (FOB, CIF, DDP available). Typical lead time: 15–30 days for standard orders. -
Q: Do you provide technical drawings or installation guides?
A: Yes. We provide CAD drawings, installation manuals, and video tutorials upon request. Our engineers can also assist with custom design projects.
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