Door Knob Backplate
1. Ball:50mm diameter
2. AISI 304 or AISI 316 available for orders
3. Rose: 52mm diameter / 9.0mm heigh

Door Knob on Backplate & Rosette

Key Specifications/Special Features:
Dimensions of knob: 50mm diameter Metallic bases in zinc plated with 2.0mm width recovering spring Dimension ot outer rose: 52mm diameter / 9.0mm height Materials of tube: AISI 304 or AISI 316 available for orders Available with round, square roses, and rectangular or square plates to suit UK and European style lockcase. The spindle system of all our knob handles it's the 8 x 8 square section Other spindle lengths and special machine screws are available for special orders Complete with No. 6, countersunk self tapping screws for wooden doors Complete with M4 x 60mm (cuttable) machine screw with M4 x 15mm nuts for metal doors The simple range of door knob in hard-welding. Satin stainless steel (SS) Polished stainless steel (PSS) Satin titanium gold (STG) Physical vapor deposition (PVD) All the knobs handles suitable for used in public, commercial, industrial, school and residential buildings