materical	brass, zinc alloy , steel , iron ,
centre distance	85mm,72mm,70mm,50mm
backset	45mm,55mm,50mm,60mm,25mm,30mm
dead blot material	iron, zinc alloy, brass
latch blot material	zinc alloy , iron
front plate	thickness 3mm, iron / gold / steel plated
doorframe side plate	thickness 0.8mm, iron
square steel	8mm*8mm
cover board	thickness 1.2mm, iron, power coated
rotating shaft	with bearing
suitable for	wooden , PVC and stainless steel doors
quality standard	ISO carried standard
guarantee	5 years
strengths	1. Latch circular test: 200,000 times                                                                                             2. Dead bolt circular test: 50,000 times                                                                                          3. Anti-corrosion test: 96 hours salt spray test                                                                                                4. 90 mins national standard fire test