Stainless Steel DIN9250 Butterfly Lock Washers Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a professional and reliable supplier of high-quality Stainless Steel DIN9250 Butterfly Lock Washers, providing precision-engineered fastening solutions for customers worldwide. With advanced manufacturing processes and strict quality control systems, we ensure that every washer meets DIN9250 standard requirements in terms of dimensions, elasticity, material performance, and locking function. Our stainless steel butterfly lock washers are made from premium materials such as SS304 and SS316, offering excellent corrosion resistance and durability for long-term use.
As an experienced fastener manufacturer, we focus on delivering consistent quality, accurate specifications, and dependable service for various industrial applications. Our Stainless Steel DIN9250 Butterfly Lock Washers are carefully inspected before shipment to ensure reliable performance under vibration and dynamic loading conditions. We can supply different sizes, materials, and customized requirements to meet the specific needs of distributors, engineering companies, and OEM customers.
Specification:
Stainless Steel DIN9250 Butterfly Lock Washers are manufactured according to the DIN9250 standard and are designed to provide reliable locking performance in bolted connections. Made from high-quality stainless steel materials such as Stainless Steel 304 and Stainless Steel 316, these washers offer excellent corrosion resistance, mechanical strength, and long service life. The special butterfly-shaped design creates additional spring force and friction between the fastener and the mating surface, helping prevent loosening caused by vibration or dynamic loads.
| Product name | Stainless Steel DIN9250 Butterfly Lock Washers |
|---|---|
| Inner Diamter: | Φ1.6-Φ30 |
| Material: | SS304 SS316 |
| Surface Treatment | Bright Pickling |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of Stainless Steel DIN9250 Butterfly Lock Washers:
The dimension chart of Stainless Steel DIN9250 Butterfly Lock Washers provides detailed information about the key sizes and specifications of these locking components, including inner diameter, outer diameter, thickness, height, and other critical dimensions. Manufactured according to DIN9250 standards, the chart helps engineers and buyers select the correct washer size for different fastening applications and ensures compatibility with corresponding bolts and screws.
| Mon | Φ1.6 | Φ2 | Φ2.5 | Φ3 | Φ3.5 | Φ4 | Φ5 | Φ6 | Ф6.35 | Φ7 | Φ8 | Φ10 | Φ11.1 | Φ12 | Φ12.7 | Φ14 | Φ16 | Φ18 | Φ19 | Φ20 | Φ22 | Φ24 | Φ25.4 | Φ27 | Φ30 | Ф33.5 | Φ36 |
| d min | 1.7 | 2.2 | 2.7 | 3.2 | 3.7 | 4.3 | 5.3 | 6.4 | 6.7 | 7.4 | 8.4 | 10.5 | 11.6 | 13 | 13.7 | 15 | 17 | 19 | 20 | 21 | 23 | 25.6 | 27 | 28.6 | 31.6 | 34 | 38 |
| dc | 3.2 | 4 | 4.8 | 5.5 | 6 | 7 | 9 | 10 | 9.5 | 12 | 13 | 16 | 15.9 | 18 | 19 | 22 | 24 | 27 | 30 | 30 | 33 | 36 | 38 | 39 | 45 | 50 | 54 |
| h | 0.35 | 0.35 | 0.45 | 0.45 | 0.45 | 0.5 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.9 | 0.9 | 1 | 1 | 1.1 | 1.3 | 1.4 | 1.4 | 1.4 | 1.4 | 1.6 | 1.8 | 1.8 | 1.8 | 2.5 | 2.5 |
| H min | 0.4 | 0.4 | 0.5 | 0.5 | 0.55 | 0.55 | 0.6 | 0.7 | 0.65 | 0.8 | 0.9 | 1.1 | 1.05 | 1.15 | 1.25 | 1.35 | 1.55 | 1.75 | 1.9 | 1.85 | 1.95 | 2.15 | 2.35 | 2.35 | 2.6 | 3.25 | 3.2 |
| H max | 0.6 | 0.6 | 0.9 | 0.9 | 0.9 | 1 | 1.1 | 1.2 | 1.2 | 1.3 | 1.4 | 1.6 | 1.6 | 1.7 | 1.8 | 2 | 2.1 | 2.3 | 2.5 | 2.5 | 2.7 | 2.9 | 3.1 | 3.1 | 3.6 | 4 | 4.2 |
Application of Stainless Steel DIN9250 Butterfly Lock Washers:
ASME/ANSI B18.21.1 Standard Helical Stainless Steel Spring-Lock Washers provide continuous spring force to maintain pressure between fasteners and assembled components. This makes them especially suitable for applications exposed to vibration, shock, thermal expansion, or repeated mechanical movement, helping improve the reliability of bolted connections.
| Application | Details |
|---|---|
| Automotive Industry | Stainless Steel DIN9250 Butterfly Lock Washers are widely used in automotive assemblies, including engines, chassis systems, exhaust components, and electrical systems. Their anti-loosening design helps maintain stable fastening performance under continuous vibration and temperature changes. |
| Machinery and Equipment Manufacturing | In industrial machinery, these butterfly lock washers are used for securing bolts and screws in equipment that operates under dynamic loads. They provide additional locking force to prevent fastener loosening and improve the safety and reliability of mechanical connections. |
| Construction and Structural Engineering | These washers are applied in construction equipment, steel structures, and heavy-duty installations where secure fastening is essential. Stainless steel material provides excellent corrosion resistance, making them suitable for indoor and outdoor environments. |
Marine Industry | Due to their superior resistance to moisture, salt spray, and corrosion, Stainless Steel DIN9250 Butterfly Lock Washers are commonly used in marine equipment, shipbuilding, offshore platforms, and coastal engineering projects where long-term durability is required. |
| Electrical and Electronic Equipment | These washers are used in electrical cabinets, control systems, and precision equipment to maintain secure connections while reducing the risk of loosening caused by vibration during operation. |
| Energy and Power Generation | In wind power, solar energy systems, and power generation equipment, DIN9250 Butterfly Lock Washers help maintain fastening stability in applications exposed to vibration, environmental changes, and long service periods. |