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Slotted Round Tube 90° Corner Connector Φ42.4-48.3 with Mirror or Satin Finish for Railing Systems QL002

Place of Origin: Qingdao, China
Brand Name: Railing-O
Certification: CE certifiate/ ISO9001
Model Number: QL022
Product Details
Place of Origin:
Qingdao, China
Brand Name:
Railing-O
Certification:
CE certifiate/ ISO9001
Model Number:
QL022
Minimum Order Quantity:
100 pcs
Standard Packaging:
Carton + Pallet
Payment Terms:
L/C,D/A,D/P,T/T
Supply Ability:
100,000+ pcs/month
Specifications
Product Type:
Round Slotted Tube 90° Connector / Elbow Joint
Material:
Stainless Steel AISI304 / 316 (optional)
Φ (mm):
42.4 / 48.3 (tube Outer Diameter, As Per Model)
H (mm):
30 / 35 (connector Height, As Per Model)
Angle:
90
Design Feature:
Slotted Tube Engagement For Secure Connection
Mounting Type:
Tube To Tube / Corner Joint
Installation:
Indoor & Outdoor
Packaging:
Plastic Bag + Carton + Pallet (or As Per Request)
MOQ / Sample:
100 Pcs Or As Per Items, Free Sample Available
Highlight:

slotted tube 90 degree

,

90 degree stainless steel slot

,

304 slotted tube

Product Description
Product Overview

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.

Key Attributes
Material
Stainless Steel
Grade
304, 316
Finish
Mirror, Satin

  • 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.

Technical Specifications
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


Packaging & Delivery

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.

Why Choose Us

  • 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.

Send your inquiry directly to us