S-91228A112 0.375" ID Leveling Washers for I-Beams

Key Features & Benefits at a Glance

• Superior load distribution through tapered design prevents surface damage and maintains joint integrity under heavy loads
• Exceptional corrosion resistance with black-oxide iron construction ensures long-lasting performance in harsh industrial environments
• Precision dimensional accuracy with 0.375" ID and 1" width guarantees perfect fit for 5/16" screw applications
• Enhanced durability with Rockwell B62 hardness rating provides reliable performance in high-stress mechanical applications
• Optimal thickness transition from 0.313" to 0.141" effectively compensates for angular misalignments in assembled components
• Full regulatory compliance with RoHS 3 and REACH standards ensures safe use across global industrial markets
• Heavy-duty construction specifically engineered for demanding applications requiring superior mechanical strength

Professional Applications & Engineering Value

This tapered washer delivers critical engineering solutions for industrial applications where angular compensation and load distribution are paramount. The black-oxide iron construction provides exceptional corrosion resistance, making it ideal for machinery, structural assemblies, and outdoor equipment exposed to challenging environments. The precise tapered design effectively bridges gaps between uneven surfaces, preventing bolt bending and maintaining joint integrity under vibration and dynamic loads. Engineered specifically for 5/16" screw applications, this industrial-grade component ensures reliable performance in heavy machinery, construction equipment, and automotive assemblies where consistent clamping force and surface protection are essential for operational safety and longevity.

Specification Summary & Compliance

This inch-system tapered washer features precise dimensional specifications including 0.375" inner diameter, 1" width, and tapered thickness from 0.313" to 0.141". Manufactured from black-oxide iron with Rockwell B62 hardness rating, the component meets industrial standards for mechanical fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial applications.