S-90481A257 0.156" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
• Precise dimensional fit with 0.156" inner diameter ensuring secure seating on No. 6 screws without slippage
• Optimal load distribution through 1.5" outer diameter design, preventing surface damage and joint loosening
• Consistent performance maintained with controlled thickness range of 0.025-0.035" for reliable spacing and alignment
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial usage
• Versatile inch-system compatibility designed for seamless integration with standard No. 6 screw assemblies
• Enhanced mechanical protection through flat washer geometry that safeguards components from abrasion and vibration

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering solutions where corrosion resistance and dimensional precision are paramount. The zinc plating creates a protective barrier against oxidation and chemical exposure, making these industrial washers ideal for outdoor equipment, electrical enclosures, and manufacturing machinery. Their specific design for No. 6 screw size ensures perfect compatibility in assembly lines, eliminating mismatched hardware issues. The generous 1.5" OD provides exceptional bearing surface distribution, preventing fastener embedment in soft materials while the controlled 0.025-0.035" thickness maintains precise joint spacing. These corrosion resistant washers solve common industrial challenges including galvanic corrosion, vibration-induced loosening, and surface damage protection across automotive, construction, and machinery applications.

Specification Summary & Compliance

Manufactured to standard inch dimensions with 0.156" inner diameter and 1.5" outer diameter, these flat washers maintain consistent dimensional accuracy for reliable performance. The zinc-plated steel construction follows industrial material standards while the thickness range of 0.025-0.035" ensures proper fitment. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance adherence for global industrial applications.