uxcell 100Pcs Flat Head Torx Screws, M4 x 20mm 304 Stainless Steel Countersunk Self Tapping Anti-Theft Wood Screws Tamper Resistant Screws Fit T20 Bit for Wood, Fence, Decking (Black)

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• Parameter: Torx Drive Bit Size: T20, Head Diameter: 8mm/0.31inch, Thread Size: M4/0.16inch(Dia), Thread Length: 20mm/0.79inch (including the head height), Package Content: 100Pcs x Flat Head Torx Screws, Please choose the appropriate size according to your specific needs.
• Material: The flat countersunk head screws are made of 304 stainless steel, which is strong and durable, rust-proof and corrosion-resistant, and suitable for various indoor and outdoor environments.
• Anti-Theft Design: The screw head adopts a countersunk head and an inner torx design, which is more difficult to disassemble than ordinary screws. It can prevent unauthorized disassembly and unauthorized opening, providing high anti-theft performance.
• Easy to Use: Use the corresponding torx screwdriver to rotate and tighten. The tightening force needs to be adjusted during the installation process to avoid over-tightening or under-tightening, which may cause looseness or damage.
• Application: Flat head torx screws are suitable for various materials such as softwood, hardwood, flooring, and plastic. Widely used in places and equipment that require anti-theft functions, such as security doors, metal doors, and fences.