Glvaner M4 x 20mm (100 pcs) Flat Countersunk Head Torx Security Sheet Metal Screws, 304 Stainless Steel 18-8 Tamper Resistant Self Tapping Screws,($8.69Value)

Description

Thread Size: 4mm; Thread Length: 20mm (including the head height) Torx Drive Bit Size: T20; Head Diameter: 8.4mm; Countersunk Degree: 90-92 degrees Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stainless steel or zinc plated fasteners. Package: 100 PCS The tamper resistant screw provide a higher level of security with their drive design that prevents removal with normal screw drivers. Glvaner M4 x 20mm (100 pcs) Flat Countersunk Head Torx Security Sheet Metal Screws, 304 Stainless Steel 18-8 Tamper Resistant Self Tapping Screws, Anti-Theft Tamper Proof Wood Screws with Bit T20