The External knob backplate, Aluminium, Hoppe - 904.79.561 by Hafele represents a refined fusion of quality and functionality. Made from durable aluminium, this backplate features a thickness of 15 mm, providing a perfect fit for door structures. It includes a cylinder cover that compensates for cylinder projection of 10-18 mm from the door leaf, ensuring enhanced security.
This product is designed to meet impact resistance category 1 in compliance with DIN 18257:2015, making it ideal for external building doors. It is compatible with door thicknesses ranging from 67 to 72 mm and is designed for use with a 10/8 mm shouldered converter spindle. The ease of installation allows for quick and practical mounting, making it user-friendly.
Hafele's External knob backplate stands out with its combination of durability and functionality, making it a reliable choice for enhancing your door security.