S-98424A100 2.7 mm ID x 9 mm OD Finishing Washers

Key Features & Benefits at a Glance

• Enhanced corrosion protection through zinc-plated steel construction, extending service life in demanding industrial environments
• Precise flush mounting capability with 90° countersink angle for seamless surface integration in M2.5 fastener applications
• Optimized load distribution with 9mm outer diameter providing superior surface coverage and stress reduction
• Accurate screw alignment through 2.7mm inner diameter ensuring secure fit with M2.5 metric fasteners
• Reliable regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
• Durable steel core construction delivering consistent performance under mechanical stress and vibration
• Metric system compatibility ensuring seamless integration with international engineering specifications and designs

Professional Applications & Engineering Value

This M2.5 metric countersunk washer delivers critical engineering solutions through its specialized zinc-plated steel construction and precision geometry. The 90° countersink angle enables perfect flush mounting in recessed applications, eliminating protrusions that compromise aesthetics and safety in finished products. The zinc plating provides essential corrosion resistance, protecting against environmental degradation in industrial settings, automotive assemblies, and electronic enclosures. With its 2.7mm ID ensuring precise M2.5 screw alignment and 9mm OD distributing clamp load effectively, this washer prevents surface damage and maintains joint integrity under vibration and thermal cycling. Ideal for applications requiring reliable metric flat washers with regulatory compliance, it solves common fastening challenges in manufacturing, machinery, and precision equipment assembly.

Specification Summary & Compliance

This countersunk washer features metric dimensions with 2.7mm inner diameter and 9mm outer diameter, engineered for M2.5 screw applications. The 90° countersink angle ensures proper seating in standard countersunk holes. Manufactured from zinc-plated steel for corrosion resistance, the product maintains dimensional accuracy suitable for industrial fastening requirements. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in global markets. The washer meets standard metric specifications for precise integration with M2.5 fastener systems.