M4.2 X 19mm Truss Head Self Tapping Sheet Metal Security Screws with Tamper-Resistant Drilled Spanner Drive, Stainless Steel A2

Also known as self-tapping screws, these are mostly used in thin gauge sheet metal applications.A2 stainless steel is functionally equivalent to 304 grade, also known as 18-8 stainless steel.Stainless steel significantly improves resistance to tarnishing...