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Hefei SENOTECH New Materials Co., Ltd, established in 2020 with an annual export value of US$1–1.5 million, presents this Glass Door Knob Handle for Interior Applications. Designed to combine elegance with practicality, our knob handles deliver a secure and stylish grip for various interior glass doors including bathrooms, shower enclosures, cabinets, and office partitions. With a wide market presence spanning North America, South America, Europe, Southeast Asia, and the Middle East, we ensure each product meets international quality standards while offering competitive pricing. Whether you are a distributor or an end-user, this handle promises durability, easy installation, and a refined finish that elevates any space.
Key Features & Advantages
- Premium Materials: Crafted from high-grade zinc alloy or optional stainless steel, the knob resists corrosion, tarnishing, and daily wear, ensuring long-lasting performance in humid environments like bathrooms.
- Versatile Surface Finishes: Available in satin chrome, brushed nickel, matte black, and custom colors (upon request), allowing seamless integration with any interior decor style.
- Universal Compatibility: Designed for glass thicknesses from 8 mm to 12 mm, making it suitable for most standard interior glass doors. Custom sizes can be accommodated for specialized projects.
- Secure Installation System: Features a through-bolt design with concealed screws for a clean, minimalist look. The included silicone gaskets protect glass edges and prevent loosening over time.
- Enhanced Grip & Safety: Ergonomically shaped knob with a smooth or textured surface provides comfortable handling, while the robust construction supports up to 15 kg per knob, ensuring safe door operation.
- Easy Maintenance: The smooth finish resists fingerprints and water spots; a simple wipe with a damp cloth keeps it looking new.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | Zinc Alloy (die-cast) / Stainless Steel (304, optional) |
| Finish | Satin Chrome, Brushed Nickel, Matte Black, Satin Gold, White (custom RAL available) |
| Knob Diameter | 50 mm / 2 inches |
| Projection | 65 mm / 2.56 inches |
| Fits Glass Thickness | 8 – 12 mm (0.31 – 0.47 in) |
| Weight Capacity | 15 kg (33 lb) per knob |
| Mounting Type | Through-bolt with backplate (screws concealed) |
| Included Components | 2 knobs, mounting bolts, silicone gaskets, allen key |
| Packing | Blister pack (retail-ready) or bulk box (custom) |
Detailed Product Description
The Glass Door Knob Handle for Interior Applications by SENOTECH is engineered to meet the demands of modern interior design while ensuring reliable functionality. Each knob is precision-die-cast from zinc alloy, offering an excellent balance of strength, weight, and aesthetic appeal. For projects requiring higher corrosion resistance (e.g., coastal areas or steam rooms), we offer a 304 stainless steel variant that maintains its luster even under challenging conditions.
Our surface finishing process includes multiple layers of electroplating and a protective topcoat, providing a scratch-resistant and UV-stable surface. This ensures the handle retains its color and gloss for years, whether you choose classic satin chrome or trendy matte black. The ergonomic curvature of the knob fits naturally in the palm, making it comfortable for daily use by all family members, including children and elderly.
Installation is straightforward – a standard 8–12 mm hole in the glass is required, and our comprehensive mounting kit includes silicone gaskets that cushion the glass and prevent stress points. The through-bolt design with a stylish backplate conceals all hardware, giving a clean, professional finish. Each handle undergoes a load test to confirm it can support up to 15 kg, far exceeding typical interior door forces. For double-sided doors, the pair of knobs works symmetrically to provide a balanced grip from both sides.
Beyond its physical attributes, this knob handle is designed with versatility in mind. It suits a wide range of interior glass doors: shower enclosures, sliding closet doors, swinging pantry doors, office glass partitions, and display cabinets. The neutral color options allow it to blend with any decorative theme, from rustic bronze to contemporary stainless steel. Additionally, we offer customization services for OEM orders, including logo engraving, special finishes, and modified dimensions, subject to minimum quantity requirements.
Quality control is a priority at our facility in Hefei, Anhui. Each batch is sampled for dimensional accuracy, surface quality, and assembly torque. We maintain a low defect rate and provide prompt replacement or refund for any non-conforming products. With over 30 standard colors and finishes, we can match most commercial building specifications. Our team is ready to assist with technical drawings and installation advice to ensure a smooth project experience.
Why Choose SENOTECH?
Since our establishment in 2020, Hefei SENOTECH New Materials Co., Ltd has rapidly grown to serve clients across all major continents including North America, South America, Europe, Africa, Oceania, and Asia. Our annual export value of US$1–1.5 million reflects the trust and repeat business from our global partners. We ship from Shanghai and Ningbo, ensuring efficient logistics to most destinations within 15–30 days.
We stand behind the quality of our glass door knobs. Each order includes a satisfaction guarantee, and our responsive customer service team answers queries within 24 hours. Whether you need a small quantity for a renovation project or a bulk order for a new construction, we have the capacity and flexibility to meet your requirements. Choose SENOTECH for a product that combines elegance, durability, and value – your interior spaces will thank you.
Frequently Asked Questions
Q1: What glass thickness is compatible with this knob?
A: The standard design fits glass from 8 mm to 12 mm (0.31–0.47 inches). For glass outside this range (e.g., 6 mm or 15 mm), please contact us for custom solutions – we can adjust the barrel length or provide additional gaskets upon request.
Q2: Is the handle suitable for heavy glass doors?
A: Yes, each knob has a tested weight capacity of up to 15 kg (33 lb). For heavier doors, we recommend using two knobs (one on each side) to distribute the load, or consult us for reinforced models.
Q3: Can I install this knob on a door that already has holes?
A: It depends on the hole diameter and spacing. Our knob requires a single hole of 10–12 mm (0.4–0.47 in) for the bolt. If your existing hole matches, installation is straightforward. If not, we suggest using our complete kit with new drilling.
Q4: What finishes are available, and can I get a sample?
A: We offer satin chrome, brushed nickel, matte black, satin gold, white, and several others. Sample orders are welcome – please inquire with your desired finish, and we will arrange shipment with a small sample fee (refundable on bulk order).
Q5: How long does shipping take?
A: For standard orders, production takes 5–10 working days, and shipping via sea from Shanghai/Ningbo typically takes 15–30 days depending on destination. Express shipping (DHL, FedEx) is available for urgent small orders.
Q6: Are the handles rust-proof for bathroom use?
A: The zinc alloy version with high-quality electroplating provides excellent corrosion resistance in normal bathroom conditions. For steam rooms or coastal environments, we recommend the 304 stainless steel option for maximum rust protection.
Q7: Do you offer OEM/private labeling?
A: Yes, we can customize the packaging, engrave your logo on the knob or backplate, and even create bespoke finishes. Minimum order quantities apply – please contact our sales team for details.
Q8: What is the warranty policy?
A: We provide a 12-month warranty against manufacturing defects (finish peeling, breakage due to material flaws). Normal wear and tear, misuse, or improper installation are not covered. We handle claims quickly with replacements or credit.
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