Product Specifications
| Model / Specification | M2 – M10 |
| Material | Stainless Steel |
| Nominal Diameter | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | |
| d | Min. = Nominal | 2.2 | 2.7 | 3.2 | 4.3 | 5.3 | 6.4 | 8.4 | 10.5 |
| Max. | 2.45 | 2.95 | 3.5 | 4.6 | 5.6 | 6.76 | 8.76 | 10.93 | |
| dc | Max. = Nominal | 4.5 | 5.5 | 6 | 8 | 10 | 11 | 15 | 18 |
| Min. | 4.2 | 5.2 | 5.7 | 7.64 | 9.64 | 1.57 | 14.57 | 17.57 | |
| H | Min. | 0.5 | 0.55 | 0.65 | 0.8 | 0.9 | 1.1 | 1.7 | 2 |
| Max. | 1 | 1.1 | 1.3 | 1.6 | 1.8 | 2.2 | 3.4 | 4 | |
| h | Nominal | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.5 | 0.5 | 0.8 |
| Min. | 0.25 | 0.25 | 0.35 | 0.45 | 0.45 | 0.45 | 0.45 | 0.7 | |
| Max. | 0.35 | 0.35 | 0.45 | 0.55 | 0.55 | 0.55 | 0.55 | 0.9 | |
| Mass per 1000 Pieces (kg) | 0.02 | 0.04 | 0.05 | 0.12 | 0.2 | 0.22 | 0.43 | 0.97 | |
STAINLESS STEEL SADDLE WASHER — PRODUCT INTRODUCTION
The stainless steel saddle washer is a locking washer with a saddle-shaped wave/curved cross-section, manufactured from high-quality stainless steel (A2/A4). During assembly, it is placed between the nut and the connected part; by tightening the nut the washer is flattened, and the elastic deformation of the material itself generates a continuous axial reaction force, effectively compensating for the relaxation and settlement of the threaded pair. It is an essential component for preventing loosening in mechanical assemblies.
I. PRODUCT FEATURES
Elastic Anti-loosening: Utilizes the elastic force generated by the saddle-shaped curved surface under compression to maintain a stable locking torque.
Strong Compensation Capability: Absorbs minute gaps caused by vibration, temperature variation, or embedding.
Stainless Steel Material: Inherent corrosion resistance, no risk of hydrogen embrittlement (safer compared with hardened spring steel).
Deburred Design: Smooth edges protect the surface of the connected part from scratching.
Thin-profile Structure: Occupies minimal space, suitable for compact installations.
II. PRODUCT ADVANTAGES
Maintenance-free and Long Service Life: Stainless steel exhibits minimal elastic decay, ideal for non-removable or hard-to-access maintenance points.
Strong Compatibility: Can be used directly with ordinary bolts and nuts, requiring no special tools or design changes.
High and Low Temperature Resistance: Maintains elasticity and dimensional stability within a range of -45°C to +300°C.
Low Magnetic Permeability: The weak magnetic characteristics of A2/A4 stainless steel make it suitable for electronics and medical equipment.
Uniform Load Distribution: After the saddle-shaped curved surface is flattened, it forms a ring-shaped contact, resulting in less stress concentration than slotted spring washers.
III. SCOPE OF APPLICATION
Precision Instruments and Electronic Equipment: Instrument mounting, PCB fixing, small motor end covers.
Food and Medical Machinery: Connection points requiring cleanliness and intolerant of oil stains or chemical coatings.
Outdoor Structures: Solar mounting brackets, traffic sign boards, building curtain wall connectors.
Low-voltage Electrical Appliances and Piping: Circuit breaker assemblies, valve flanges, small pump body connections.
Vibration-prone Conditions: Small compressors, fans, automotive components, household appliance motor bases.
