S-98424A250 4.3 mm ID x 14 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Precise 90° countersink angle ensures flush mounting with matching screw heads for clean, professional finishes
• Accurate M4 screw compatibility with 4.3mm ID provides secure, vibration-resistant fastening in metric assemblies
• Optimal load distribution through 14mm OD design that minimizes surface damage and material stress
• Space-efficient 2.3mm profile allows installation in tight clearance applications without compromising performance
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial and commercial use
• Durable steel core material maintains structural integrity under repeated mechanical stress and environmental exposure

Professional Applications & Engineering Value

These M4 metric countersunk washers solve critical engineering challenges in industrial fastening systems where surface flushness and corrosion protection are paramount. The zinc-plated steel construction provides essential galvanic protection against moisture and chemical exposure, significantly extending maintenance intervals in outdoor equipment, automotive assemblies, and machinery frames. The precision 90° countersink angle perfectly matches standard flat-head screws, eliminating protrusions that could interfere with moving components or create safety hazards. This combination of corrosion-resistant surface treatment and exact dimensional specifications makes these washers ideal for applications requiring both aesthetic cleanliness and long-term reliability, from electrical enclosures to structural frameworks where vibration resistance and environmental compliance are mandatory requirements.

Specification Summary & Compliance

This countersunk washer features precise metric dimensions with 4.3mm inner diameter, 14mm outer diameter, and 2.3mm overall height, engineered for M4 screw applications. Manufactured from zinc-plated steel with standardized 90° countersink geometry. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, making it suitable for international industrial markets and environmentally conscious manufacturing operations.