Qingdao Railing-O Metal Product Co.,
| Φ (mm) | 42.4 / 48.3 (tube outer diameter, as per model) |
| Material | Stainless Steel AISI304 / 316 (optional) |
| Design Feature | Slotted tube engagement for secure connection |
| Payment Terms | L/C,D/A,D/P,T/T |
| Installation | Indoor & Outdoor |
| Packaging Details | Carton + Pallet |
| Angle | 90 |
| Packaging | Plastic bag + carton + pallet (or as per request) |
| Mounting Type | Tube to Tube / Corner Joint |
| Supply Ability | 100,000+ pcs/month |
| Product Type | Round Slotted Tube 90° Connector / Elbow Joint |
| MOQ / Sample | 100 pcs or as per items, Free sample available |
| H (mm) | 30 / 35 (connector height, as per model) |
| Certification | CE certifiate/ ISO9001 |
| Model Number | QL022 |
| Brand Name | Railing-O |
| Place of Origin | Qingdao, China |
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Product Specification
| Φ (mm) | 42.4 / 48.3 (tube outer diameter, as per model) | Material | Stainless Steel AISI304 / 316 (optional) |
| Design Feature | Slotted tube engagement for secure connection | Payment Terms | L/C,D/A,D/P,T/T |
| Installation | Indoor & Outdoor | Packaging Details | Carton + Pallet |
| Angle | 90 | Packaging | Plastic bag + carton + pallet (or as per request) |
| Mounting Type | Tube to Tube / Corner Joint | Supply Ability | 100,000+ pcs/month |
| Product Type | Round Slotted Tube 90° Connector / Elbow Joint | MOQ / Sample | 100 pcs or as per items, Free sample available |
| H (mm) | 30 / 35 (connector height, as per model) | Certification | CE certifiate/ ISO9001 |
| Model Number | QL022 | Brand Name | Railing-O |
| Place of Origin | Qingdao, China | ||
| High Light | slotted tube 90 degree ，90 degree stainless steel slot ，304 slotted tube | ||
The QL022 series round slotted tube 90° connectors are precision‑engineered corner fittings designed for round handrail systems requiring directional changes. Manufactured from high‑quality stainless steel – AISI316 for exterior and marine applications, with AISI304 option for interior use – these connectors facilitate seamless right‑angle transitions in slotted tube railing systems. The precision‑engineered geometry ensures a flush, secure fit with the tube’s internal slot, enabling quick alignment and installation. Available in mirror or satin finishes, the QL022 series delivers reliable performance and refined aesthetics for residential and commercial railing projects.
90° corner connection – enables precise right‑angle directional changes in slotted tube handrail systems.
Slot‑tube compatibility – engineered to engage with the internal slot for secure mechanical connection.
Two size options – QL022.3042 for 42.4mm tubes (30mm height); QL022.3548 for 48.3mm tubes (35mm height).
Material versatility – AISI316 for exterior/coastal applications; AISI304 for interior use.
Two finish options – mirror polished or brushed satin for design flexibility.
Corrosion‑resistant – stainless steel construction ensures long‑term durability.
ISO9001 certified – quality assurance with MTC documentation available.
Mechanical engagement – utilises the tube’s existing slot for secure connection; adhesive optional.
Applications
Ideal for slotted tube handrail systems requiring 90° corner transitions – including balconies, terraces, staircases, deck railings, and commercial buildings. Suitable for both interior and exterior installations where clean, secure directional changes are essential. Available in two sizes to suit standard 42.4mm and 48.3mm round tubes.
| Parameter | Value |
|---|---|
| Product Type | Round Slotted Tube 90° Connector |
| Series | QL022 |
| Material | AISI316 (standard / exterior) / AISI304 (optional / interior) |
| Surface Finish | Mirror or Satin (optional) |
| Mounting Type | Tube‑mounted |
| Installation Location | Indoor & Outdoor |
| Certification | MTC, ISO9001 |
| Model | Tube Size | Height |
|---|---|---|
| QL022.3042 | 42.4 mm | 30 mm |
| QL022.3548 | 48.3 mm | 35 mm |
| QL022.3048 | 48.3 mm | 35mm |
Each connector is individually wrapped in protective packaging, packed in cartons, and loaded onto pallets for secure transit. Custom packaging available on request. Delivery timelines are arranged according to order quantities and production schedules; we guarantee on‑time shipment as committed. MTC and ISO9001 certification documents accompany every consignment.
Slot‑specific design – precise fit for 42.4mm and 48.3mm slotted round tubes.
Two size flexibility – covers common tube diameters for versatile specification.
Material choice – 316 for coastal durability, 304 for interiors.
Finish options – mirror or satin to match design schemes.
Quality certified – ISO9001 and MTC documentation included.
Factory‑direct value – competitive pricing with volume discounts.
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
50000000-50000000
Employee Number:
200~200
Ecer Certification：
Verified Supplier
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