S-91434A119 0.469" ID x 0.922" OD ASME B18.21.1 SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional load distribution with 0.922" OD and 0.469" ID to prevent surface damage and joint loosening under high stress
- Superior corrosion resistance from black-coated steel, ensuring longevity in harsh industrial environments
- High-strength performance with Grade 8 classification and Rockwell C38 hardness for demanding applications
- Precise 7/16" screw compatibility and consistent 0.055-0.065" thickness for reliable, vibration-resistant fastening
- Industry-standard compliance with ASME B18.21.1, guaranteeing dimensional accuracy and interchangeability
- Environmental responsibility through RoHS 3 and REACH compliance, safe for regulated sectors
- Durable flat washer design in SAE inch system, ideal for maintenance, machinery, and structural assemblies
Professional Applications & Engineering Value
This Grade 8 SAE flat washer addresses critical engineering challenges in heavy-duty environments. The black corrosion-resistant coated steel construction combats rust and chemical exposure, extending service life in automotive, construction, and industrial machinery. Its 7/16" screw size compatibility and precise inner/outer diameters (0.469" ID, 0.922" OD) ensure optimal load distribution, reducing stress concentration and preventing bolt loosening under vibration. With Rockwell C38 hardness and adherence to ASME B18.21.1, it delivers reliable performance in high-torque applications, from structural steel connections to equipment assembly, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This washer meets ASME B18.21.1 dimensional standards for inch-system flat washers, with precise ID (0.469"), OD (0.922"), and thickness (0.055-0.065") tolerances. It conforms to Grade 8 fastener strength requirements and is manufactured from black corrosion-resistant coated steel with Rockwell C38 hardness. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (as of 06/14/2023, 235 SVHC), ensuring environmental and safety regulations are met for industrial use.
