Stainless Steel 304 DIN315 Hand Thumb Nut Round Wing Nut Hand Twist Tighten Ear Butterfly Nuts
DIN315 stainless steel circular wing nuts are manufactured from corrosion-resistant 304 stainless steel or high-strength carbon steel, suitable for industrial applications requiring frequent manual tightening. Their circular wing design provides a secure grip for rapid locking, finding widespread use in mining, water treatment, food and beverage processing, general machinery, and automotive industries. Compliant with international standards including ANSI/ASME, DIN, and GB, they offer consistent and reliable quality.
Key Features:
• Rapid hand-tightening: The circular wing design enhances operational efficiency, enabling secure locking without tools.
• Multiple material options: 304 stainless steel and various grades of carbon steel cater to differing strength and corrosion resistance requirements.
• Diverse surface treatments: Available with protective coatings including zinc plating, Dacromet, and hot-dip galvanising to suit varied operational environments.
Key attributes
| Item | Details |
|---|---|
| Product Name | DIN315 Thumb Nut Round Wing Nut Butterfly Nut |
| Model Number | DIN315 Round Wing Butterfly Nut |
| Brand Name | CNXD |
| Material | Carbon Steel / Stainless Steel 304 |
| Grade | Carbon steel Grade 2/5/8; Class 6/8/10; Stainless Steel 304 |
| Standard | ANSI/ASME B18.6.9, DIN314, DIN315, GB62.1 |
| Finish / Coating | Plain, Zinc Plated, Galvanized, H.D.G, Dacromet, Passivated, Black Oxide, Waxed |
| Size | M4 – M24 |
| Thread Type | Metric / UNC / UNF |
| Thread Direction | Right Hand |
| Thread Coverage | Fully Threaded |
| Body Type | Round Wing Nut |
| Overall Length | 25 mm |
| Height | 12.0 mm |
| Flange Diameter | 12.7 mm |
| Insert Diameter | 9.5 mm |
| Drive System | Thumb |
| Application | Mining, Water Treatment, Food & Beverage, General Industry, Oil & Gas, Automotive |
| Place of Origin | Shanghai, China |
| Certificate | ISO9001 |
Packaging and delivery
| Item | Details |
|---|---|
| Selling Units | Single item |
| Single Package Size | 8 × 2 × 2 cm |
| Single Gross Weight | 0.200 kg |
| Packing | Small Packing + Carton + Pallet |







