S-98466A007 0.18" ID x 0.438" OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for humid or chemically aggressive environments.
• Perfect flush finishing ensured by the 82° countersink angle, preventing snagging and providing a smooth surface.
• Precise fit for No. 6 screws with 0.18" ID and 0.438" OD, ensuring secure fastening and load distribution.
• Durable and reliable performance in demanding industrial applications due to robust stainless steel material.
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe and sustainable use.
• Seamless integration in inch-system assemblies, maintaining dimensional accuracy and interchangeability.

Professional Applications & Engineering Value

This 82° countersunk washer is engineered from 18-8 Stainless Steel to address common industrial challenges such as corrosion-induced failure and improper seating in countersunk holes. The precise 82° angle matches standard countersunk screws, ensuring a flush fit that reduces stress concentrations and improves aerodynamics in applications like aerospace, marine, and machinery. Its corrosion-resistant properties make it suitable for harsh environments, while the inch-system dimensions provide reliable performance in No. 6 screw assemblies, enhancing longevity and reducing maintenance costs in industrial washers and precision equipment.

Specification Summary & Compliance

This washer features an ID of 0.18", OD of 0.438", and overall height of 0.11", designed for use with No. 6 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 for industrial components.