Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
🛠️ Finger-Tighten, No Tools Needed – Whether you're assembling furniture, dialing in a 3D printer, or securing an outdoor project, these butterfly wing screws make hand tightening quick and effortless. The ergonomic wing head gives you a solid grip so you can adjust or remove panels, brackets, and fixtures on the fly without reaching for a screwdriver. Available in multiple stainless steel grades (304, 316, 201) and white zinc finish, they fit right into workshops, garages, marine environments, and DIY home improvement tasks. If you hate fumbling with tiny hex keys or losing small screws in tight spots, these thumb screws are the straightforward solution you need.
| Specification | Detail |
|---|---|
| Brand | Goobetter |
| Material Options | 304 Stainless Steel, 316 Stainless Steel, 201 Stainless Steel, White Zinc Plated Steel |
| Thread Size (Diameter) | M3, M4, M5, M6, M8, M10, M12 |
| Item Length | 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm (varies by diameter) |
| Head Type | Butterfly Wing (Thumb Screw) |
| Drive Style | Manual thumb turn |
| System of Measurement | Metric |
| Thread Type | Coarse (standard metric pitch) |
| Condition | New – unused, undamaged, in original packaging |
| Country of Origin | China |
For outdoor or damp environments, 316 stainless steel is the best choice—it offers superior resistance to saltwater, rain, and humidity. 304 stainless also works well for general outdoor use, but may show slight surface discoloration over time in coastal areas. White zinc and 201 stainless steel are better suited for indoor or dry, sheltered applications to avoid rust.
This listing is for the butterfly wing screws (bolts) only. Nuts and washers are sold separately. We recommend pairing them with matching metric hex nuts or lock nuts, depending on your vibration and security needs. If you need a complete set, check our store for combination kits.
Measure the total thickness of the materials you’re fastening, then add enough length to fully engage the nut (typically at least the screw diameter). For example, if you’re clamping two 5mm plates with an M5 screw, a 16mm or 20mm length usually works perfectly. If you’re unsure, opt for a slightly longer screw—excess length is rarely a problem with through holes.
You can achieve a surprisingly firm clamping force with just finger pressure—enough for most covers, brackets, and fixtures. However, butterfly screws are not designed for high-torque structural bolts. For critical assemblies, use a torque wrench with a standard hex bolt instead. The wing head is intended for convenience and rapid adjustment, not max torque values.
Absolutely. All threads are manufactured to standard metric coarse pitch and will mate perfectly with common metric nuts, threaded inserts, and tapped holes. If you’re unsure about the pitch, M3 uses 0.5mm, M4 uses 0.7mm, M5 uses 0.8mm, M6 uses 1.0mm, M8 1.25mm, M10 uses 1.5mm, M12 1.75mm – the same as typical metric hardware.
💡 Pro tip: Order a small multi-pack first to test the sizes, then stock up on your most-used diameters. These thumb screws are a staple you’ll reach for again and again.
