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Whether you're assembling a 3D printer frame, building custom woodworking jigs, repairing outdoor gear, or working on an automotive interior project, these DIN 315 nylon wing butterfly nuts give you the freedom to tighten and loosen by hand, no tools needed. The wide butterfly wings provide a comfortable, slip-resistant grip, making repeated adjustments quick and effortless. Crafted from durable polyamide (nylon), they resist corrosion, absorb vibration, and won't scratch delicate surfaces. With sizes from M3 through M12 in one convenient set, you'll always have the right metric thumb nut ready for bolts and screws around the workshop, garage, or job site.
| Parameter | Specification |
|---|---|
| Thread Sizes Included | M3, M4, M5, M6, M8, M10, M12 |
| Material | Nylon (Polyamide / PA) |
| Industry Standard | DIN 315 |
| Measurement System | Metric |
| Thread Type | Coarse (Standard Pitch) |
| Head Style | Wing / Butterfly |
| Drive Style | Manual — Tool-Free Hand Tightening |
| Color | Natural Nylon (Off-White / Cream) |
| Temperature Range | -40°F to 185°F (-40°C to 85°C) |
| Compatible Bolt Materials | Steel, Stainless Steel, Brass, Zinc-Plated (BZP), Nylon, & Most Plastics |
| Country of Origin | China |
| Condition | Brand New — Unused, Unopened Packaging |
📏 Standard Metric Coarse Thread Pitches per Size： M3 × 0.5 mm | M4 × 0.7 mm | M5 × 0.8 mm | M6 × 1.0 mm | M8 × 1.25 mm | M10 × 1.5 mm | M12 × 1.75 mm
Nylon wing nuts are designed for hand-tightened clamping and fastening applications — not for high-torque structural loads. For reference, a typical M6 nylon wing nut can comfortably handle hand-tight clamping forces suitable for fixtures, panels, covers, and light-duty assemblies. If you need a wing nut for heavy machinery or suspension components, we recommend considering metal alternatives. For 3D printer builds, woodworking jigs, electronics enclosures, automotive interior trim, and similar applications, these nylon butterfly nuts deliver excellent, reliable holding strength. Always match the nut size to your bolt diameter and avoid over-torquing with tools — nylon threads can strip if excessive force is applied.
Yes! These wing nuts follow the DIN 315 standard and use standard metric coarse thread pitches — the most common thread type found on general-purpose bolts and screws. The specific pitches are： M3 × 0.5 mm, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1.0 mm, M8 × 1.25 mm, M10 × 1.5 mm, and M12 × 1.75 mm. They are fully compatible with any bolt or screw that matches these standard coarse metric threads. If your bolts are fine-pitch metric (e.g., M8 × 1.0 mm), these will not fit — please double-check your bolt's thread pitch before ordering.
Nylon wing nuts hold up well in outdoor environments for moderate-term use. They will not rust or corrode like metal hardware — a major advantage for garden equipment, outdoor furniture, boat accessories, and camping gear. However, prolonged direct sunlight (UV exposure) can cause standard nylon to gradually become brittle over years of continuous outdoor exposure. For short-term or seasonal outdoor projects, they perform excellently. For permanent outdoor installations with constant sun exposure, consider inspecting and replacing them periodically, or look for UV-stabilized nylon variants. In shaded outdoor areas or under covers, they last significantly longer.
Absolutely — nylon wing nuts are designed to work with metal bolts and screws, including steel, stainless steel, brass, and zinc-plated (BZP) fasteners. The nylon threads engage smoothly with metal threads, and the softer nylon material actually helps prevent galling or seizing that can occur with metal-on-metal contact. One tip： avoid using power tools or excessive torque when tightening nylon nuts onto metal bolts — hand-tightening is the intended method. If you need extra holding security, a flat washer between the nylon wing nut and the workpiece can help distribute clamping force evenly and protect the nylon surface from abrasion.
These nylon butterfly nuts perform reliably in a temperature range of approximately -40°F to 185°F (-40°C to 85°C). They hold up well in cold environments — remaining tough without becoming brittle — and handle moderate heat without softening or deforming. They're suitable for engine bay applications (away from direct exhaust heat), outdoor equipment in most climates, and indoor machinery. For applications involving continuous exposure to temperatures above 185°F (such as near ovens, heaters, or high-performance engine components), we recommend switching to metal wing nuts or high-temperature plastic alternatives like PEEK. For 99% of DIY, woodworking, and light industrial uses, the temperature range is more than sufficient.
