Serrated Washer - External Teeth
Serrated Washer - External Teeth
Category: Cable Gland Accessories
Nexus Engitech External Serrated Washers provide anti-vibration locking to prevent cable glands and lock nuts from loosening under heavy machinery movement. Their external teeth pierce paint and oxidation coatings to establish low-resistance grounding continuity across electrical distribution panels.
- External serrated teeth bite into surface contact to prevent nut loosening
- Pierces paint and oxidation coatings for maximum electrical grounding connection
- Maintains constant bolt spring tension under severe vibration
- Essential for railway switchgear, heavy machinery and power panels
Technical Specifications
| Parameter | Specification |
|---|---|
| Size | M16 to M100 & NPT sizes up to 4 in as listed |
| Material | Steel 316L grade & mild steel |
| Finish | Natural finish or nickel finish |
| Function | Vibration-proof washer; serrations bite into mating faces to prevent loosening |
| Application | Cable gland accessories and anti-vibration mounting |
Size / Selection Table
| Size | Outer Dia (A) | Inner Dia (B) |
|---|---|---|
| M16 | 25.5 | 16.4 |
| M20 | 32.5 | 20.4 |
| M25 | 40 | 25.4 |
| M32 | 43.5 | 32.4 |
| M40 | 64.5 | 40.4 |
| M50 | 80 | 50.4 |
| M63 | 100 | 63.4 |
| M75 | 112 | 75.4 |
| M90 | 135 | 90.4 |
| M100 | 145 | 100.4 |
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