S-90107A122 1.5" ID x 2.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Precise dimensional fit with 1.5" ID and 2.75" OD ensures reliable load distribution and secure fastening for 1 3/8" screws
• Durable material performance maintains integrity under stress, vibration, and exposure to corrosive elements
• Consistent thickness range (0.100-0.180") provides uniform pressure distribution, reducing bolt loosening and joint failure
• Compliance with environmental regulations, including RoHS 3 and REACH, ensures safe, sustainable use in global industrial supply chains
• Broad industrial compatibility with inch-system fasteners, simplifying sourcing and assembly in diverse machinery and structures

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 316 stainless steel flat washers deliver exceptional corrosion resistance, crucial in environments exposed to moisture, chemicals, and salt. The precise 1.5" ID and 2.75" OD dimensions, paired with a controlled thickness, ensure optimal load bearing and prevent surface damage on connected materials. This design addresses common issues like galvanic corrosion and fastener fatigue, making them ideal for heavy-duty applications in construction, marine equipment, and processing plants. By utilizing inch-system specifications, these washers offer seamless integration with standard 1 3/8" screw sizes, enhancing assembly efficiency and longevity in corrosive-prone operations.

Specification Summary & Compliance

This flat washer adheres to inch-system dimensional standards with an inner diameter of 1.5", outer diameter of 2.75", and thickness ranging from 0.100" to 0.180", ensuring precise fit for 1 3/8" screw applications. Manufactured from 316 stainless steel, it provides reliable performance without a specified hardness rating. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.