M4-M12 201 Stainless Steel Butterfly Wing Nuts – DIN 315 Metric Assortment
Whether you’re assembling flat‑pack furniture, tackling a weekend DIY fix in the garage, or fine‑tuning machinery, these M4‑M12 201 stainless steel butterfly wing nuts take the hassle out of hand‑tightening. The generous wing shape gives your fingers a solid grip—no wrenches, no sockets, just quick, tool‑free adjustments. Stocked with the most common metric sizes (M4, M5, M6, M8, M10, and M12), this multipack keeps your workshop or job site running smoothly.
⭐ Key Features of Your DIN 315 Wing Nuts
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✔️ 201 Stainless Steel Construction – Corrosion‑resistant and strong enough for indoor and covered outdoor use.
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✔️ DIN 315 Standard Butterfly Design – Consistent threading fits off‑the‑shelf metric bolts and threaded rods.
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✔️ Effortless Hand‑Tightening – The winged ears provide extra leverage, perfect for quick assembly or frequent adjustments.
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✔️ Rust‑Resistant in Damp Areas – Handles bathrooms, kitchens, laundry rooms, and garden setups without flaking.
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✔️ Wide Metric Range (M4‑M12) – Covers light‑duty fixtures, brackets, bike components, and heavier machinery panels.
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✔️ Reusable & Durable – Threads stay clean through multiple install‑remove cycles; no galling or stripping.
📋 Technical Specifications – M4‑M12 Butterfly Wing Nuts
| Material |
201 Stainless Steel |
| Standard |
DIN 315 |
| Type |
Butterfly / Wing Nuts |
| Thread Sizes |
M4, M5, M6, M8, M10, M12 |
| Thread Pitch |
Coarse (standard metric) |
| Head / Wing Shape |
Butterfly |
| End Type |
Open |
| Measurement System |
Metric |
| Pack Type |
Assorted multipack |
| Condition |
Brand new, unopened |
| Country of Origin |
China |
❓ Frequently Asked Questions – Stainless Wing Nuts
🔹 Will these wing nuts fit standard metric bolts?
Yes. They are manufactured to the DIN 315 standard, which controls thread dimensions for common metric fasteners from M4 through M12 (coarse pitch). Just match the size marked on your bolt.
🔹 Can I use them outdoors or in wet conditions?
Absolutely. 201 stainless steel offers good corrosion resistance for general outdoor use—think patio furniture, BBQ grills, gutter brackets, and garden planters. For constant saltwater exposure, 304 or 316 stainless would be an upgrade, but 201 performs reliably in typical home and shop environments.
🔹 Do I need a wrench to tighten these?
No tools are required. The butterfly wings are designed for finger‑tightening, giving you enough leverage to secure components by hand. If you ever need a little extra snug, you can gently use pliers, but the nut is built for tool‑free convenience.
🔹 How many nuts come in the multipack?
The assortment includes a practical range of the most‑used sizes (M4, M5, M6, M8, M10, and M12). The exact piece count may vary depending on the current kit configuration—please refer to the product images or the order‑specific listing for the latest quantity. Rest assured, you’ll receive a useful workshop mix.
🔹 Are these wing nuts reusable?
Yes, they are built for repeated use. The stainless steel threads resist wear and galling, so you can tighten and loosen them many times without loss of performance—ideal for jigs, fixtures, and adjustable assemblies.
