S-91434A445 1.5" ID x 2.75" 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
- Superior corrosion protection with black corrosion-resistant coating extends service life in harsh industrial environments
- Precise dimensional compatibility with 1 3/8" screws ensures perfect fit and optimal load distribution
- Heavy-duty construction with 0.136-0.192" thickness provides excellent bearing surface and vibration resistance
- Standardized SAE inch dimensions (1.5" ID x 2.75" OD) guarantee interchangeability and easy replacement
- ASME B18.21.1 compliance ensures consistent quality and performance in mechanical assemblies
- Environmental regulation compliance with RoHS 3 and REACH supports sustainable manufacturing practices
- Versatile industrial application suitable for machinery, equipment, and structural assemblies requiring reliable fastening
Professional Applications & Engineering Value
These SAE flat washers with black corrosion-resistant coated steel construction address critical industrial challenges where moisture, chemicals, and environmental exposure compromise fastener integrity. The precisely engineered 1.5" ID x 2.75" OD dimensions combined with controlled thickness variations (0.136-0.192") ensure uniform load distribution across 1 3/8" screw applications, preventing surface damage and maintaining joint integrity under vibration and dynamic loads. The ASME B18.21.1 compliance guarantees dimensional consistency for maintenance and replacement operations in heavy machinery, construction equipment, and industrial assembly lines where reliable flat washer performance is essential for operational safety and reduced downtime.
Specification Summary & Compliance
Manufactured to ASME B18.21.1 specifications with standard inch system dimensions: 1.5" internal diameter, 2.75" outer diameter, and thickness range of 0.136-0.192". These SAE flat washers are designed for use with 1 3/8" screws and feature black corrosion-resistant coated steel construction. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe usage across various industrial applications.
