S-90845A037 0.438" ID Leveling Washers for I-Beams

Key Features & Benefits at a Glance

• Superior Load Distribution: Tapered design (0.312" to 0.125" thickness) ensures even pressure dispersion, reducing stress concentrations and preventing joint failure.
• Exceptional Corrosion Resistance: Made from 18-8 Stainless Steel, offering reliable performance in harsh environments without rust or degradation.
• Enhanced Durability: Rockwell B45 hardness provides excellent wear resistance and long service life under repetitive loads.
• Precision Fit for 3/8" Screws: 0.438" inner diameter ensures secure, accurate alignment with standard fasteners, minimizing installation errors.
• Optimal Surface Contact: 1.25" width increases bearing area, improving stability and vibration resistance in assembled structures.
• Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safe, eco-friendly use in global industrial supply chains.
• Versatile Inch System Compatibility: Designed for seamless integration with imperial measurement-based equipment and components.

Professional Applications & Engineering Value

This tapered washer addresses critical engineering challenges in industrial applications where uneven surfaces or dynamic loads compromise joint integrity. The 18-8 Stainless Steel construction delivers outstanding corrosion resistance, ideal for machinery exposed to moisture, chemicals, or outdoor conditions. Its tapered profile (from 0.312" to 0.125") compensates for angular misalignments and distributes clamping forces evenly, preventing loosening in heavy-duty assemblies like structural frames, conveyor systems, and automotive components. By enhancing load distribution, it reduces the risk of bolt fatigue and surface damage, ensuring reliable performance in high-vibration environments while complying with international environmental standards.

Specification Summary & Compliance

This washer features precise dimensions: 0.438" ID, 1.25" width, and tapered thickness from 0.312" to 0.125", compatible with 3/8" screws in the inch system. Manufactured from 18-8 Stainless Steel with a hardness of Rockwell B45, it ensures consistent mechanical properties. The product adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for industrial use.