Door latching mechanism: Glass-fiber reinforced polyamide-based technopolymer (PA), matte black
Packing ring: SBR rubber
Internal toothed washer: Zinc-plated steel
Self-tapping screw: Stainless steel
DK - with triangular spindle
VDE - with double bit (VDES)
UB - with retractable finger grip
EN 115.3 Door Latches are made of plastic material type UL 94 V-0, which is self-extinguishing.
UL 94 "V-0" certification (Underwriters Laboratories) indicates that on a plastic test sample with specific shape and dimensions, in the vertical position, flame is extinguished within 10 seconds, without generating incandescent drops.
Temperature resistant to 265° F (130° C).
For sheet metal punches for door locks/latches, see EN 123.