1.Tamper Proof Security Torx Socket Machine Screws.2.Special drivers are required for the installation and removal of security fasteners.3.These fasteners are made from highly corrosion resistant 304 stainless steel making them both tamper and weather resistant.4.Anti Theft Machine Screws provide a higher level of security for you with their drive design, which prevents removal with normal screw drivers. 5.Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry.Specification:Product Name: Pan Head Torx ScrewMain Color: Silver ToneMaterial: 304 Stainless SteelPackage Content: 12pcs x Pan Head Torx ScrewWeight: 71gThread Size: M6 x 20mm/0.24-inch x 0.8-inch(D*L)Thread Pitch: 1mmTotal Size: 12 x 24mm/0.47-inch x 0.94-inch(Head Dia.*L)Torx Head Type: T30