cSeao 20pcs M6 x 20mm Pin-in-Torx Button Head Security Screws, Tamper Proof Screws, 304 Stainless Steel -M6 x 20mm-

?About Trox Security Screws? 1 anti-theft function The grooved structure of the stainless steel plum with the pan head screw gives it a special anti-theft function, called "anti-theft screw". The principle is mainly that the special structure makes it impossible for ordinary tools to disassemble it, thereby preventing theft. 2 good fastening Easy to install and remove when using a special installation and removal tool for better fastening ?Features? ?? preservative ?? Heat resistant and high temperature resistant ?? High strength and hardness