What Are Wing Screws？
Wing screws (or butterfly bolts, wing bolts) are a type of thumb screw. The head has two butterfly-like wings that can be easily rotated by hand without a screwdriver or wrench. It is suitable for scenes that require frequent disassembly and adjustment.
Specifications
| Forming | Cold forging. |
| Size | M4 to M24 (or custom). |
| Thread | UNC, UNF, Metric Coarse, Metric Fine. |
| Materials | Stainless steel 304, 316; Carbon steel, Brass, Aluminum, Plastic, Titanium. |
| Strength | Grade >4.8; A2, A4. |
| Finishes | Natural, zinc-plated, electrophoretic black. |
| Standard | DIN 318, DIN 316. |
| Packaging | Plastic bag, plastic box, paper box, carton + pallet or customized. |
| Payment | T/T. |
Types
Carbon Steel Butterfly Bolt
Square wings, material carbon steel, surface electrophoresis black or blue zinc.
SS Wing Screw
Round wings, made of stainless steel 304, 316, corrosion-resistant and durable.
Wing Bolt and Nut
Wing bolts can be used with wing nuts, hexagonal nuts, and other nuts.