| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .110 ID, .170 OD, . |
2590 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .094 ID, .150 OD, . |
17365 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .354 ID, .945 OD, . |
0 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, 1.275 ID, 2.275 OD, |
2500 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .312 ID, .625 OD, . |
5000 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .561 ID, .825 OD, . |
946 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .740 ID, 1.062 OD, |
999 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .88 ID, 1.28 OD, .0 |
952 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .365 ID, 1.235 OD, |
1000 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .375 ID, .490 OD, . |
0 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .523 ID, 1.363 OD, |
0 |
|
 |
Keystone Electronics Corp. |
WASHER SPLIT LOCK STEEL |
16173500 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .350 ID, .472 OD, . |
1990 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .385 ID, .750 OD, . |
9465 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .404 ID, .542 OD, . |
0 |
|
 |
Richco, Inc. (Essentra Components) |
WASHER FLAT RETAINING M6 NYLON |
0 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .507 ID, .692 OD, . |
4975 |
|
 |
B&F Fastener Supply |
WASHER FLAT #2 STAINLESS STEEL |
46400 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .200 ID, .450 OD, . |
4975 |
|
 |
Richco, Inc. (Essentra Components) |
FLAT WASHER, .760 ID, 1.420 OD, |
4780 |
|
Washers are thin plate-like mechanical components with a central hole, typically used to distribute the load of threaded fasteners, prevent loosening, or create seals. As critical elements in assembly systems, they enhance structural integrity, reduce wear, and improve vibration resistance. Modern engineering applications rely on washers to optimize performance across diverse environments.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Flat Washers | Distribute load, prevent surface damage | Machinery bases, construction equipment |
| Spring Washers | Provide axial tension, absorb vibrations | Automotive engines, railway tracks |
| Lock Washers | Prevent nut/bolt rotation under vibration | Aerospace fasteners, industrial pumps |
| Sealing Washers | Create fluid/gas-tight barriers | Pipe flanges, hydraulic systems |
Typical washers feature a flat annular design with precise inner/outer diameter ratios. Advanced variants incorporate:
| Parameter | Importance |
|---|---|
| Material Hardness (HV/HRC) | Determines wear resistance and load capacity |
| Inner Diameter Tolerance ( m) | Affects fit precision with fasteners |
| Corrosion Resistance (hrs in salt spray) | Dictates service life in harsh environments |
| Spring Rate (N/mm) | Measures elasticity for vibration damping |
| Operating Temperature Range ( C) | Defines thermal stability limits |
| Manufacturer | Representative Product | Key Feature |
|---|---|---|
| Nord-Lock Group | X-series washers | wedge-locking system for vibration resistance |
| ITW Shakeproof | Prevailing torque washers | Deformable split ring design |
| MISUMI | FCMZ series spring washers | Optimized for robotic assembly |
Key considerations include:
Example: Selecting stainless steel Belleville washers for offshore wind turbine bolts ensures corrosion resistance and maintains clamping force under dynamic loads.
Emerging trends include: