S-91201A038 1.031" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior load distribution with a large 2" outer diameter to prevent surface damage and maintain joint integrity under high stress.
• Exceptional durability provided by the steel material and Rockwell B84 hardness, ensuring long service life in demanding environments.
• Precise fit and alignment with a 1.031" inner diameter designed specifically for 1" screw sizes, reducing installation errors.
• Enhanced corrosion resistance from the steel construction, suitable for various industrial conditions without premature failure.
• Regulatory compliance with RoHS 3 and REACH standards, ensuring safe and environmentally responsible use in global markets.
• Reliable performance in heavy-duty applications due to the consistent 0.308-0.318" thickness, offering stable support and vibration resistance.
• Wide compatibility with inch-system fasteners, making it ideal for machinery, construction, and equipment assembly.

Professional Applications & Engineering Value

This steel flat washer is engineered to address common industrial challenges such as joint loosening, surface indentation, and material fatigue. Its robust Rockwell B84 hardness ensures it withstands heavy loads and repetitive stress without deforming, making it perfect for construction machinery, structural steel connections, and heavy equipment assembly. The precise 1.031" ID and 2" OD dimensions provide optimal load distribution, reducing the risk of bolt pull-through and extending the lifespan of fastened components. By using this industrial-grade washer, engineers can achieve reliable fastening in applications requiring high strength and corrosion resistance, while adhering to strict industry standards for safety and performance.

Specification Summary & Compliance

This washer features inch-system dimensions with an ID of 1.031", OD of 2", and thickness ranging from 0.308" to 0.318", ensuring precise fit for 1" screw sizes. It complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel alloys and is REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for industrial use.