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Vichok Hardware
4MM/5MM 304 stainless steel flat head knock mother and child screw to lock mother and child rivet screw ledger nail male and female nail for Bookbinding & Leather Repair
4MM/5MM 304 stainless steel flat head knock mother and child screw to lock mother and child rivet screw ledger nail male and female nail for Bookbinding & Leather Repair
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$0.06 USD
Regular price
$0.06 USD
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$0.06 USD
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Our 304 stainless steel flat head male and female screws (also known as knock mother-child screws, locking mother-child rivets, ledger nails, or male-female binding screws) are professional fastening accessories available in 4MM and 5MM sizes. Optimized for Google search and tailored to Shopify audiences, these screws are designed for leather crafts, bookbinding, DIY projects, leather goods assembly, fabric crafting, and light hardware fixing—combining corrosion resistance, easy installation, and secure locking performance for both professionals and hobbyists.
Crafted from high-quality 304 stainless steel, these male-female screws offer superior corrosion resistance and rust prevention, making them suitable for indoor use and semi-outdoor applications. The premium 304 material ensures high toughness and durability, preventing bending, breaking, or deformation during installation and long-term use, while the smooth flat head design provides a neat, low-profile finish that won’t protrude or damage the surface of your projects.
Featuring a convenient male and female thread design, the screws are easy to install without pre-drilling—simply align and tighten to achieve secure fixation. The cross slot design ensures smooth operation, allowing for quick tightening and loosening without slipping, while the precise thread structure enhances holding power, preventing loosening even with long-term use. Each screw undergoes strict quality inspection to ensure consistent size, smooth surface, and reliable performance, fully meeting professional fastener standards for safe and stable use in all applicable scenarios.
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