Lock Washers, External Tooth, Stainless Steel 410, #5
Premium Lock Washers for use with a Screw or Nut
- Serrated washers to create tension between the washers "teeth" and installation surface
- The added tension makes the fastener assembly resistant to rotation
- 410 Stainless steel external tooth lock washers are commonly used where a harder material is required
- Actual measurements may vary slightly +/- depending on production run
- Trade Names: Star Lock Washers
410 Stainless Steel External Lock Washer Specifications
| Washer Size (ID) | Outer Diameter (OD) | Thickness |
| #2 | Max 0.189" - Min 0.177" | Max 0.013" - Min 0.010" |
| #3 | Max 0.235" - Min 0.220" | Max 0.016" - Min 0.010" |
| #4 | Max 0.260" - Min 0.245" | Max 0.018" - Min 0.012" |
| #5 | Max 0.285" - Min 0.270" | Max 0.020" - Min 0.014" |
| #6 | Max 0.320" - Min 0.305" | Max 0.022" - Min 0.016" |
| #8 | Max 0.381" - Min 0.365" | Max 0.023" - Min 0.018" |
| #10 | Max 0.410" - Min 0.395" | Max 0.024" - Min 0.018" |
| #12 | Max 0.475" - Min 0.460" | Max 0.027" - Min 0.020" |
| 1/4" | Max 0.510" - Min 0.494" | Max 0.028" - Min 0.023" |
| 5/16" | Max 0.610" - Min 0.588" | Max 0.034" - Min 0.028" |
| 3/8" | Max 0.694" - Min 0.670" | Max 0.040" - Min 0.032" |
| 7/16" | Max 0.760" - Min 0.740" | Max 0.040" - Min 0.032" |
| 1/2" | Max 0.900" - Min 0.880" | Max 0.045" - Min 0.037" |
| 5/8" | Max 1.070" - Min 1.045" | Max 0.050" - Min 0.042" |
| 3/4" | Max 1.260" - Min 1.220" | Max 0.055" - Min 0.047" |
Product number:
109032