Tapping Self Drilling Stainless Steel Screws for Wall Plates

Elastic safety washer: It is small and practical, easy to install, and can be applied to most machines.
Lock washer: Used for friction, preventing leaks, isolating, preventing loosening, or dispersing pressure; these washers are suitable for long-term use and provide excellent protection and safety.
Safety washers: Stainless steel materials maximize durability, allowing your crafts to last longer.
Hardware safety washers: These spring safety washers provide excellent protection and safety.
Stainless steel screw-in springs: Made of stainless steel material, which is sturdy and does not deform easily. The washers are used to increase the area between the screw and the machine, preventing damage to the machine's surface when the spring washer is discharging the screw.