S-98049A119 1.156" ID x 2.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 17-4 PH stainless steel material for long-lasting performance in harsh environments.
• Excellent mechanical strength and durability provided by Rockwell C40 hardness, resisting deformation under high loads.
• Precise dimensional fit with 1.156" ID and 2.25" OD ensures secure seating for 1 1/8" screws, preventing loosening.
• Consistent load distribution due to controlled thickness (0.200-0.220"), minimizing stress on assembled components.
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe and responsible industrial use.
• Reliable performance in inch-system applications, offering seamless integration with standard US-sized fasteners.
• Enhanced service life in demanding conditions, reducing maintenance frequency and replacement costs.

Professional Applications & Engineering Value

This 17-4 PH stainless steel flat washer is engineered to address critical challenges in industrial settings where corrosion, high stress, and precise fit are paramount. Its Rockwell C40 hardness ensures it maintains integrity under heavy loads, preventing failure in machinery, construction, and marine applications. The precise 1.156" ID and 2.25" OD provide an exact match for 1 1/8" screw sizes, eliminating play and improving joint reliability. Made from corrosion-resistant material, it excels in environments exposed to moisture and chemicals, reducing downtime and extending equipment life. Ideal for heavy-duty flat washer uses in aerospace, automotive, and processing industries, it delivers consistent performance where safety and durability are non-negotiable.

Specification Summary & Compliance

This washer features an inner diameter of 1.156", outer diameter of 2.25", and thickness ranging from 0.200" to 0.220", designed for use with 1 1/8" screws in the inch system. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards. The material, 17-4 PH stainless steel, and Rockwell C40 hardness confirm high strength and durability for industrial applications.