🛠️ Whether you're assembling a custom 3D printer, adjusting woodworking jigs, or securing access panels on equipment, these Goobetter Butterfly Wing Thumb Screws let you fasten by hand – no tools needed. Made from 201 stainless steel, they bring a practical balance of corrosion resistance and strength. Perfect for makers, hobbyists, and maintenance pros who want quick, repeatable fastening without hunting for a screwdriver, they help you speed up setups and adjustments in the workshop or on the job.
🔩 Key Features of Butterfly Wing Thumb Screws
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Premium 201 Stainless Steel: Offers solid corrosion resistance for indoor and light outdoor use, while keeping costs reasonable.
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Butterfly Wing Head: Wide wing design gives you excellent finger grip and torque – tighten or loosen in seconds without tools.
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Metric Sizes M6, M8, M10: Covers the most common small fastener needs in DIY, furniture, and machine assembly.
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Hand Drive – Truly Tool-Free: Great for fixtures, jigs, and panels that need frequent on/off; reduces downtime.
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Multiple Lengths (10-55 mm): Assortment provides flexibility for different material thicknesses and clamping setups.
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Smooth, Standard Threads: Standard metric coarse threads ensure a reliable fit with off-the-shelf nuts, threaded inserts, and tapped holes.
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Reusable & Long-Lasting: Holds firm under vibration, and can be removed and reinstalled many times without thread damage.
📋 Stainless Steel Thumb Screw Specifications
| Material |
201 Stainless Steel (A1 Grade) |
| Head Style |
Butterfly Wing |
| Drive Style |
Hand (Tool-less tightening) |
| Thread Type |
Metric Coarse |
| Available Thread Sizes |
M6, M8, M10 |
| Standard Thread Pitch |
1.0 mm (M6) / 1.25 mm (M8) / 1.5 mm (M10) |
| Screw Length Range |
10 mm – 55 mm |
| Measurement System |
Metric |
| Condition |
Brand New – retail packaging |
| Country of Origin |
China |
| Brand |
Goobetter |
❓ Frequently Asked Questions – M6 M8 M10 Wing Bolts
1. What's the difference between 201 and 304 stainless steel?
201 stainless steel provides good corrosion resistance and strength at a friendlier price point. It works excellently for indoor projects, hobby use, and covered outdoor applications. For extreme moisture or saltwater environments, 304 would be a step up, but 201 is a reliable choice for the vast majority of workshop and home tasks.
2. Can I really tighten these by hand, or will I still need a tool?
You can tighten them fully by hand. The butterfly wings are designed to give your fingers plenty of leverage – even for snug connections. No wrench, screwdriver, or Allen key is needed, which makes them perfect for quick-change setups.
3. Will these fit standard metric nuts I can get at the hardware store?
Yes. They use standard metric coarse threads (M6 x 1.0, M8 x 1.25, M10 x 1.5) that match everyday metric nuts, threaded inserts, and pre-tapped holes. Always confirm your thread pitch if you're mating with a specifically fine-threaded part.
4. Are these suitable for outdoor projects?
They perform well in general outdoor use thanks to the 201 stainless steel. For permanently exposed applications (especially in coastal or high-humidity areas), occasional inspection and basic maintenance are advised. In covered or indoor situations, they will stay clean and rust-free for a very long time.
5. What lengths come in the set?
The assortment covers a practical range from 10 mm up to 55 mm. Exact lengths per size vary, so you get a useful mix for different material thicknesses. Please refer to the retail package for the specific length breakdown of M6, M8, and M10 screws in your set.
