Stainless Steel Cap Nuts | M2-M6 Flat Head Hex Socket | Premium Furniture Joint Insert

Engineered for a sleek, finished appearance, these black 304 stainless steel flat head cap nuts combine aesthetic appeal with functional strength. The low-profile flat head sits flush with surfaces, w...
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Questions about this product
- What are these black cap nuts best used for?
- These black 304 stainless steel cap nuts are ideal for creating discreet, stylish fastening points in modern furniture, decorative shelving, and high-visibility architectural woodwork. Their low-profile flat head sits flush for a smooth, snag-free finish, making them perfect for visible applications where aesthetics matter.
- What thread sizes are available for these cap nuts?
- We offer these stainless steel cap nuts in a range of thread sizes: M2, M3, M4, M5, and M6. This selection allows you to choose the appropriate size for your specific furniture assembly or DIY project needs.
- What material are these cap nuts made from and what are their key properties?
- These cap nuts are made from 304 stainless steel with a black finish. This material provides excellent corrosion resistance and strength, with a typical tensile strength of ≥515 MPa. They are designed to withstand temperatures from -200°C to 800°C (base material).
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