BS EN 13126-3. Building hardware. Hardware for windows and door- height windows. Requirements and test methods. Part 3. Handles, primarily for Tilt&Turn, Tilt-First and Turn-Only hardware|Handles, Test equipment, Closing and check mechanisms, Mechanical testing, Ironmongery (buildings), Knobs (handles), Hazard prevention in buildings, Windows, Performance, Strength of materials, Performance testing, Construction systems parts, Spindles, Durability, Security systems in buildings, Sliding bolts