S-94744A265 0.406" ID x 0.734" OD ASME B18.21.1 ASME Washers
ASME 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 resistance with zinc plating for extended service life in harsh industrial environments
- Precise dimensional accuracy with 0.406" ID and 0.734" OD ensuring perfect fit for 3/8" screw applications
- Enhanced load distribution through controlled thickness (0.056-0.071") to prevent surface damage and loosening
- Consistent mechanical performance with Rockwell B40 hardness providing reliable durability under pressure
- Industry-standard compliance meeting ASME B18.21.1 specifications for quality assurance
- Environmental regulation adherence with RoHS 3 and REACH compliance for global supply chain compatibility
- Optimized material strength using zinc-plated steel for excellent wear resistance and structural integrity
Professional Applications & Engineering Value
These zinc-plated steel flat washers deliver critical engineering solutions where corrosion resistance and dimensional precision are paramount. The zinc plating creates a protective barrier against moisture and chemical exposure, significantly extending component life in manufacturing equipment, outdoor structures, and automotive assemblies. Engineered to ASME B18.21.1 standards, these flat washers maintain consistent performance under vibration and load stress, preventing fastener loosening in 3/8" screw applications. The Rockwell B40 hardness ensures the washers resist deformation while distributing clamping forces evenly across surfaces, making them ideal for heavy-duty industrial applications requiring reliable sealing and spacing functions.
Specification Summary & Compliance
Manufactured to ASME B18.21.1 dimensional and material specifications with inner diameter of 0.406" and outer diameter of 0.734". Thickness tolerance maintained between 0.056-0.071" for precision fit. Material hardness certified at Rockwell B40. Full compliance with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as alloying element in steel and REACH (EC 1907/2006) regulations as of January 17, 2023, including 233 SVHC substances.
