S-99041A149 0.562" ID Square Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ideal for harsh industrial environments.
• Enhanced load distribution due to the 2" square design, reducing surface pressure and preventing material damage.
• Precision fit for 1/2" screws with a 0.562" inner diameter, ensuring secure fastening and minimizing loosening.
• Consistent thickness tolerance (0.225-0.265") for reliable performance in repetitive assembly applications.
• Durable mechanical strength with Rockwell B40 hardness, resisting deformation under high stress.
• Compliance with global standards including RoHS 3 and REACH, ensuring safe and eco-friendly use in regulated industries.
• Broad compatibility with inch-system components, simplifying procurement and inventory management.

Professional Applications & Engineering Value

This zinc-plated steel square washer is engineered to address common industrial challenges such as fastener corrosion and uneven load bearing. Its robust 2" width and precise 0.562" inner diameter provide optimal surface coverage and alignment for 1/2" screw size applications, preventing joint failure in heavy machinery, structural frameworks, and construction projects. The zinc plating offers a protective barrier against moisture and chemicals, extending service life in demanding environments like outdoor installations or manufacturing plants. With a controlled thickness range of 0.225-0.265" and Rockwell B40 hardness, it maintains dimensional stability under vibration and load, reducing maintenance needs and enhancing operational reliability for B2B clients in sectors such as automotive, aerospace, and infrastructure.

Specification Summary & Compliance

This washer adheres to inch-system standards with an inner diameter of 0.562", thickness tolerance of 0.225-0.265", and width of 2", ensuring precise fit and performance for 1/2" screw sizes. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its safety and environmental responsibility for industrial use.