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DIN 9250 Stainless Steel Serrated Safety Washers | S/M Type | HV 350-550 Hardened

  1. Close-up front view of DIN 9250 stainless steel serrated safety washer, highlighting radial locking teeth and conical profile.
  2. Detailed back view of DIN 9250 washer, showing symmetrical serrated surface for double-sided mechanical locking.
  3. Stacked view of multiple DIN 9250 stainless steel safety washers, emphasizing bulk and consistent manufacturing quality.

معايير المنتج

  •  High-Hardness (HV350-550): Specialized surface hardening optimized for Grade 8.8 and 10.9 high-tensile bolts.
  •  Dual-Action Locking: Combines Mechanical Interlock (radial teeth) with Elastic Preload (conical shape) for 100% vibration resistance.
  • Marine Grade Options: Available in SUS304 (A2), SUS316L (A4), and 254SMO for extreme corrosion environments.
  • Engineering Compliance: Fully compliant with DIN 9250 و NFE 25511 industrial standards.
  • Full Size Range: M3 to M36 metric sizes in stock for immediate global shipping with MTC 3.1 certification.
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الوصف

Key FeatureTechnical SpecificationOperational Benefit (Trust Driver)
Double-Sided TeethSymmetrical radial serrations on both surfaces.Maximum friction coefficient against bolt and workpiece.
Conical DesignEngineered disc spring shape.Maintains preload tension even during structural “settling.”
Surface HardeningProprietary process achieving HV 350 – 550.Guaranteed to “bite” into Grade 8.8 and 10.9 fasteners.
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M1010.516.01.001.500.85
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SUS304 (A2)cURL Too many subrequests.cURL Too many subrequests.cURL Too many subrequests.
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cURL Too many subrequests. Can I use S-series and M-series interchangeably?

S-series (Standard) is designed for regular bolts. M-series (Medium) has a larger outer diameter to reduce surface pressure, making it ideal for elongated holes or softer clamping surfaces.

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