S-95990A107 0.438" ID x 2" OD Angled-Edge Tie Down Washers
Angled-Edge Tie Down Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Superior corrosion protection with zinc-plated steel construction for extended service life in harsh environments
- Exceptional load distribution thanks to the angled edge design and 2" OD, preventing surface damage and loosening
- Reliable hardness performance with Rockwell B40 rating ensuring consistent durability under pressure
- Precise 3/8" screw compatibility with 0.438" ID for secure, vibration-resistant fastening
- Optimized flat surface contact from the 1.34" width flat, enhancing stability in industrial assemblies
- Compliance with global safety standards including RoHS 3 and REACH for environmentally responsible sourcing
- Dimensional accuracy with thickness ranging 0.074-0.094" and 0.424" height for consistent fit in inch-system applications
Professional Applications & Engineering Value
This zinc-plated steel angled edge washer delivers critical engineering solutions where vibration resistance and corrosion prevention are paramount. The angled edge design effectively distributes clamping force, reducing stress concentration on connected surfaces—ideal for heavy-duty industrial equipment, machinery frames, and structural assemblies using 3/8" screws. The zinc plating provides a sacrificial layer that combats rust and oxidation, extending component life in humid or outdoor settings. Combined with Rockwell B40 hardness, it maintains structural integrity under repetitive loads, making it a reliable choice for automotive, construction, and manufacturing sectors where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to precise inch system dimensions: Internal Diameter 0.438", Outer Diameter 2", Thickness 0.074-0.094", Overall Height 0.424", and Width of Flat 1.34". Designed for 3/8" screw size applications with consistent Rockwell B40 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
