Features Premium Carbon Steel Material: Crafted from high-quality carbon steel, these self-drilling screws ensure exceptional hardness and feature sharper threads, providing superior durability and long-lasting performance. Enhanced Holding Power: The ribbed anchors expand on two opposing sides during installation, delivering increased holding power and exceptional impact resistance, making them suitable for a variety of applications. Deep Thread Design: The deep thread design offers strong engagement in gypsum wallboard, enabling the screws to support heavy loads of up to 66 lbs, ensuring secure and reliable installation. No Drill, No Holes: No drilling or holes are required for installation, and the screws can be easily removed, leaving the anchor in the wall for reuse while preserving the wall's integrity. Generous Quantity: This package includes 50 sets of self-drilling anchors screws, providing a convenient and ample supply for various applications such as TV, bike, shelf straps, cabinet, and decoration. Specification: Item Type: Self Drilling Anchors Screws Material: Carbon Steel Technology: Galvanized Purpose: Self Drilling Anchor Screw Screw Length: Approx. 28mm / 1.10in Dry Wall Anchor Length: Approx. 30mm / 1.18in Package List: 50 x Screws 50 x Anchors Package List 50 x Screws 50 x Anchors