18mm square tube, 12-inch window hinge, 2.5mm thick

The 12-inch window hinge with an 18mm square tube and 2.5mm thick steel is engineered for enhanced durability, smooth motion, and stable support of medium-sized outward-opening windows. Its compact design, paired with reinforced strength, makes it a versatile choice for residential and light commercial window applications.

Key Features:

Sturdy 18mm Square Tube Frame:
The 18×18mm square tube design ensures stable load distribution and resistance to bending, while maintaining a slim, space-efficient profile.

Heavy-Duty Steel (2.5mm Thick):
Made from thick, high-strength steel for long-lasting durability under frequent use and varying weather conditions.

Optimal Size – 12 Inches:
Suitable for mid-sized window sashes, offering smooth, guided opening while supporting substantial weight.

Friction-Controlled Operation:
Nylon or brass sliders allow for quiet, smooth motion and hold the window open securely at different angles without external stays.

Corrosion-Resistant Finishes:
Available in galvanized, powder-coated, or stainless steel (optional) versions—ideal for coastal, humid, or industrial environments.

Quick & Easy Installation:
Pre-punched holes and universal fixing points make it compatible with aluminum, uPVC, and steel window systems.

Technical Specifications:

Length: 12 inches (305 mm)

Tube Size: 18mm × 18mm

Thickness: 2.5mm

Opening Angle: Up to 75°–90° (depending on window design)

Material: Galvanized steel / Powder-coated / Optional stainless steel

Sash Weight Support: 25–40 kg

Applications:

Top-hung or side-hung outward-opening windows

Medium-sized windows in residential homes, offices, and apartments

Ideal for window systems requiring compact strength, smooth movement, and weather resistance