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Whether you're building a custom woodworking jig, fine-tuning a 3D printer frame, or tackling a weekend DIY repair, these solid brass wing nuts for metric bolts put convenience right at your fingertips. No wrench, no socket โ just spin them on by hand and get a secure, rattle-free hold in seconds. Crafted from genuine brass, they resist rust and corrosion far better than zinc-plated steel, making them a smart pick for humid workshops, outdoor fixtures, and marine-adjacent projects. Available in sizes M3 through M12 and pack quantities from single pieces to bulk 30-packs, you get exactly what you need without paying for hardware you won't use. Ideal for hobbyist woodworkers, home improvers, machinists, and anyone tired of hunting for the right wrench every time they need a quick adjustment.
| Specification | Detail |
|---|---|
| Material | Solid Brass (Uncoated / Untreated) |
| Grade | 4.8 |
| Measurement System | Metric |
| Available Sizes | M3 ยท M4 ยท M5 ยท M6 ยท M8 ยท M10 ยท M12 |
| Thread Type | Standard Metric Coarse Thread |
| Drive Style | Wing (External Hand-Tightened) |
| Surface Treatment | Untreated โ Natural Brass Finish |
| Pack Quantity Options | 1 / 3 / 5 / 10 / 20 / 30 Pieces |
| Country of Origin | China |
Yes. Brass offers natural corrosion resistance that significantly outperforms zinc-plated or bare steel in outdoor environments. While brass will develop a rich patina over time when exposed to moisture and air, this is purely cosmetic and does not affect structural integrity. For fully submerged marine applications, consider pairing them with stainless steel bolts to minimize galvanic interaction.
These wing nuts are designed for standard metric coarse-thread bolts, screws, and threaded rods. They are compatible with any fastener bearing an ISO metric thread designation (M3, M4, M5, M6, M8, M10, or M12). Please note they will not properly fit SAE/Imperial or UNC/UNF threads โ verify your bolt's thread pitch before ordering.
With a grade rating of 4.8, these wing nuts are built for reliable hand-tightened applications. They provide ample clamping force for woodworking jigs, light fixtures, panels, and hobby equipment. If you plan to use a wrench or apply high torque, we recommend switching to a hex nut โ wing nuts are optimized for finger-tightening and frequent adjustment, not extreme mechanical loads.
Yes โ this is a natural characteristic of untreated brass. Over weeks to months, depending on humidity and handling, the bright gold surface will gradually darken to an antique bronze-toned patina. Many woodworkers and makers actually prefer this aged look for its vintage appeal. If you wish to restore the original shine, a quick buffing with a brass polish or even a cloth with lemon juice and baking soda brings back the luster effortlessly.
In most indoor and dry outdoor settings, brass wing nuts paired with stainless steel bolts perform without significant galvanic corrosion. Brass and stainless steel are relatively close on the galvanic series, so the risk is low. For prolonged exposure to saltwater, heavy moisture, or chemical environments, applying a light anti-seize compound on the threads is a good preventative measure.
