countersunk self tapping screws

Variouse Types of Anti Theft Security Screws/ Anti-disassembly Machine Screws and Slef Tapping Screw Quick Details Finish: Plain, Polish, Passication Material: Stainless steel:SS210,SS304,SS316,SS316L,SS410,A2,A4 Measurement system: Metric Head Style: Flat /Countersunk Place of Origin: China Brand ...