304 Stainless Steel Split Lock Washers - Metric Sizes
304 Stainless Steel Vibration Proof Multi-Industry Use Rust Resistant
Premium 304 Stainless Steel
- 18/8 stainless steel composition (18% chromium, 8% nickel)
- 3000+ hour salt spray resistance - ideal for coastal areas
- Temperature range: -60°F to 1500°F (-50°C to 800°C)
- Rockwell B80 hardness for durable spring tension
Anti-Loosening Performance
- Split design creates continuous spring tension
- Reduces vibration-induced loosening by 70% vs flat washers
- Compression force: 15-25N per washer size
- Works with standard metric bolts (M3-M12)
Universal Applications
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Construction: Steel framing, HVAC systems
-
Automotive: Engine components, exhaust systems
-
Marine: Boat hardware, dock fittings
-
Electronics: Server racks, industrial controls
📏 Size Specifications
| Size |
Inner Diameter |
Outer Diameter |
Thickness |
Compatible Bolt |
| M3 |
3.2mm |
7.0mm |
0.8mm |
M3 |
| M4 |
4.3mm |
9.0mm |
1.0mm |
M4 |
| M5 |
5.3mm |
10.0mm |
1.2mm |
M5 |
| M6 |
6.4mm |
12.0mm |
1.6mm |
M6 |
| M8 |
8.4mm |
16.0mm |
2.0mm |
M8 |
| M10 |
10.5mm |
20.0mm |
2.5mm |
M10 |
| M12 |
13.0mm |
24.0mm |
3.0mm |
M12 |
🔧 Proper Installation
For optimal performance: (1) Place lock washer between nut and bearing surface (2) Tighten until washer is flattened (3) Apply additional 30° turn to create spring tension
