Product Properties

• Surface treatment: brushed nickel / nickel
• Lock handle material: zinc alloy
• Lock panel material: zinc alloy
• Lock body: unique oblique tongue design, HD-57D
• Lock cylinder: special high-precision lock cylinder
• Key: 3 double-row bead computer keys
• Suitable for door thickness: 38-48mm
• Suitable range: all kinds of wooden door fans
• Features: low mutual opening rate; low noise, light and flexible opening

Installation steps:

• Make sure that the inclined surface of the inclined tongue is in the same direction as the closing direction, and open the hole according to the installation paper planning line (as shown in the figure below: A).
• Insert the lock body into the hole; pre-tighten the lining screw; insert the square rod through the door panel into the lock body (as shown in the figure below: BD).
• Install the inner and outer panels and pre-tighten the panel screws to make the keys and knobs rotate smoothly (as shown in the figure below).
• Put the glove into the square rod to make the handle rotate smoothly (F).
• Pre-tighten the handle screws, install the gusset plate and the buckle box, align the lock body, make the lock tongue fit smoothly, and tighten the screws (G).