STERK Kvadrat 1703 Door Handles – Durability and Functionality with a 9 mm Square Rosette

STERK Kvadrat 1703 – Simple Design and Versatile Application

STERK Kvadrat 1703 Door Handles have been designed for users who expect durability, functionality, and an attractive door finish. The geometric lever and the 9 mm square rosette create a cohesive appearance that complements both contemporary and classic interior designs.

The universal character of the Kvadrat 1703 model makes it an excellent choice for houses, apartments, offices, hotels, and public buildings.

Solid Construction and Proven Quality

The STERK brand has remained committed to high manufacturing standards for years, offering products made from premium-quality materials while maintaining excellent value for money.

STERK Door Handles are equipped with:

• double self-leveling metal springs

• handles permanently integrated with metal mounting adapters

• a durable construction ensuring long-lasting performance

• a stable mounting system with metal rosettes

The Kvadrat 1703 model has been tested in accordance with PN-EN 1906:2012, achieving:

• Category 4 of use

• durability exceeding 200,000 operating cycles (Class 7)

• Corrosion Resistance Class 3

• Operation Type A – spring-assisted mechanism

The product also holds a hygiene certificate, making it suitable for high-traffic environments.

Fire Resistance and Safe Everyday Use

STERK Kvadrat 1703 Door Handles comply with PN-EN 1634-1+A1:2018 and are suitable for installation in EI30 fire-rated doors.

Testing confirmed 30 minutes of fire integrity and insulation, while a 96-hour salt spray test demonstrated excellent corrosion resistance.

These properties make the model suitable for residential buildings, offices, hotels, schools, and other public facilities.

Everyday Comfort and a Durable Mounting System

The Kvadrat 1703 model features a robust mounting system with metal adapters and elegant 9 mm cover rosettes.

Key advantages:

• smooth and quiet operation

• excellent resistance to intensive daily use

• long-term structural stability

• attractive door finish thanks to the 9 mm square rosette

• quality confirmed by independent testing and certifications

What Is Included in the STERK Kvadrat 1703 Door Handles Set?

The set includes all components required for installation:

• pair of handles (left and right) integrated with metal mounting adapters

• 2 cover rosettes, 9 mm thick

• 8 × 8 mm handle spindle

• 2 M4 through bolts

• 2 Allen screws

• 3 mm Allen key

The complete set allows for quick installation and many years of reliable operation.

More information: https://door-handles.com/