S-91228A116 0.812" ID Leveling Washers for I-Beams

Key Features & Benefits at a Glance

• Superior Load Distribution: Tapered design with 0.469" to 0.219" thickness variation ensures even pressure distribution, reducing stress concentrations and preventing surface damage in heavy-duty assemblies.
• Enhanced Corrosion Resistance: Black-oxide iron construction provides a durable, corrosion-resistant finish, extending service life in harsh industrial environments.
• Precision Fit for 3/4" Screws: 0.812" inner diameter offers accurate alignment with standard 3/4" fasteners, minimizing installation errors and improving joint integrity.
• Exceptional Mechanical Strength: Rockwell B62 hardness rating guarantees high resistance to deformation under load, maintaining performance in demanding applications.
• Broad Industrial Compatibility: 1.5" width and inch system measurements ensure seamless integration with existing machinery and North American equipment standards.
• Regulatory Compliance Assurance: RoHS 3 and REACH compliance eliminates hazardous substances, meeting global environmental and safety regulations for industrial supply chains.
• Optimized Space Utilization: Compact yet robust profile balances high load-bearing capacity with minimal footprint, ideal for space-constrained assemblies.

Professional Applications & Engineering Value

Engineered for critical industrial applications, this tapered washer addresses common challenges in structural and mechanical assemblies. The black-oxide iron material, combined with a Rockwell B62 hardness, provides exceptional resistance to wear and environmental degradation, making it ideal for construction equipment, heavy machinery, and infrastructure projects where vibration and dynamic loads are prevalent. Its tapered geometry compensates for uneven surfaces, preventing bolt loosening and distributing clamp load efficiently across joints. This design is particularly valuable in 3/4" screw size applications, such as steel frame connections, conveyor systems, and automotive chassis, where reliability under cyclic loading is paramount. By ensuring consistent performance in inch-based systems, it reduces maintenance intervals and enhances the longevity of assembled components.

Specification Summary & Compliance

This tapered washer adheres to standard inch system tolerances with precise dimensions: 0.812" ID, 1.5" width, and tapered thickness from 0.469" to 0.219". Manufactured from black-oxide iron with a Rockwell B62 hardness, it meets general industrial specifications for load-bearing washers. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted substances and safe for use in global markets. Designed for compatibility with 3/4" screws, it supports reliable performance in accordance with common assembly standards.