Torx Self-Tapping Screws, M5 x 12/16/20/30/40 mm Stainless Steel A2-70 Torx Screws with Cup Head, Round Head Wood Screws Tapping Screws for DIY, Carpenters Furniture. Head type: Since the Torx self-tapping screws have a special head design, which is more difficult to loosen with normal wrenches or torque wrenches, which provides an effective anti-theft function.
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