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RS PRO Copper Plain Crinkle Locking & Anti-Vibration Washer M4 BS 4463 289-679
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | RS PRO |
| Material | Copper |
| Grade | A2 |
| THICKNESS | 0.28mm |
| Model | 289-679 |
| Finish | Plain |
| External diameter | 7.99mm |
| Inside Diameter | 4.36mm |
| Washer type | Crinkle |
| Standards/Approvals | BS 4463 |
| Compatible Screw/Bolt Size | M4 |
| RS PRO Copper Plain Crinkle Locking & Anti-Vibration Washer, M3, BS 4463Brand | RS PRO |
Key Features
- Manufactured from copper for excellent corrosion resistance.
- Crinkle washer type designed for locking and anti-vibration purposes.
- Compatible with M4 screw/bolt size.
- Internal diameter of 4.36 mm and external diameter of 7.99 mm.
- Plain finish for reliable performance in harsh environments.
- Complies with BS 4463 standard for quality assurance.
- Thickness of 0.28 mm to ensure proper spacing and preload.
- Grade A2 material classification for durability.
Product Description
RS PRO 289-679 Copper Plain Crinkle Locking & Anti-Vibration Washer M4 BS 4463 is engineered to prevent bolt loosening due to vibrations or material slack, providing reliable locking and stability in a variety of mechanical and industrial applications.
Constructed from corrosion-resistant copper, this crinkle locking washer is especially suited for environments exposed to seawater and sulfuric acid. The crinkle design improves the locking performance by exerting pressure on the fastener, reducing the risk of loosening over time.
This washer has a nominal inside diameter of 4.36 mm and an external diameter of 7.99 mm, with a thickness of 0.28 mm. The plain finish and A2 grade classification ensure consistent quality and durability under demanding conditions.
The product complies with BS 4463 standards, making it suitable for electronic, food, chemical, and construction applications, including plumbing tap fittings where vibration resistance is required.
Manufactured from copper for corrosion resistance in harsh settings. Crinkle type with locking and anti-vibration capabilities. Designed for M4 screw/bolt compatibility. Provide pre-loading and spacing for increased stability.
Complies with BS 4463 for standardized quality. Ideal for use in electronic, food, chemical, and construction industries. Plain finish for enhanced surface protection.
This washer supports a robust fastening system that minimizes maintenance needs by preventing loosening in vibrational environments. Trust RS PRO for dependable and high-quality industrial fasteners.
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Frequently Asked Questions
The internal diameter of this model is 4.36 mm.
The external diameter is 7.99 mm.
This washer has a thickness of 0.28 mm.
It is designed to be compatible with M4 screw or bolt sizes.
This washer is manufactured from copper, providing excellent corrosion resistance.
The washer features a plain finish for reliable performance in harsh environments.
It complies with the BS 4463 standard for quality assurance.
The crinkle design improves locking performance by exerting pressure on the fastener, reducing the risk of loosening.
This washer is suitable for electronic, food, chemical, and construction applications, including plumbing tap fittings.
The RS PRO 289-679 washer is manufactured in the United Kingdom.
This washer has an A2 grade classification for durability.
It provides pre-loading and spacing, which increases stability and minimizes maintenance needs in vibrational environments.
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