Washers Spring SQ Med Zinc M3 – M30 (Packs of 100)
R2,30
Sizes & Dimensions Summary (Selected Examples)
| Bolt Size (M) | Internal Diameter (approx.) | External Diameter (approx.) | Height (thickness) |
|---|---|---|---|
| M3 | ~3.1 mm | ~5.6 mm | ~2.0 mm |
| M6 | ~6.1 mm | ~9.9 mm | ~3.2 mm |
| M10 | ~10.2 mm | ~18.1 mm | ~4.0 mm |
These example values are based on DIN 7980 measurements and typical manufacturing tolerances.
Applications
Square-section spring washers are widely used in mechanical assemblies—especially where constant tension and resistance to fastener loosening is required under vibration. The zinc plating offers added protection, making them suitable for industrial machinery, automotive, and marine environments.
Product Description: Spring Square-Section Washers – Medium-Duty, Zinc-Plated (DIN 7980), Sizes M3–M30 (Packs of 100)
Overview
These medium-duty, square-section spring washers—also known as split-lock washers—are designed per DIN 7980 (also referenced as BS 1802). They’re constructed from spring steel with a bright zinc plating, offering corrosion resistance and effective vibration locking.
Specifications & Standards
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Profile: Split helical spring washer with square cross-section, providing axial spring force to prevent fastener loosening under vibration.
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Material & Finish: Made from high-strength spring steel and coated with bright zinc for improved durability and rust protection—ideal for general-purpose and indoor/outdoor applications.
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Sizes Available: Covers a broad metric range from M3 to M30 bolts, matching corresponding internal and external thread diameters.
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Standards Compliance: Manufactured to comply with DIN 7980, ensuring consistent quality and fit.
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Typical Packaging: Supplied in packs of 100 washers per size—convenient for bulk purchasing and inventory control.
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