S-94744A160 0.156" ID x 0.312" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc plating, extending service life in harsh industrial environments
• Superior load distribution due to precise 0.312" OD and 0.156" ID, preventing surface damage and loosening
• Reliable hardness performance with Rockwell B40 rating, ensuring consistent durability under stress
• Guaranteed dimensional accuracy compliant with ASME B18.21.1, facilitating easy installation and interchangeability
• Optimized for No. 6 screws, providing secure fastening and reducing assembly errors
• Environmental compliance with RoHS 3 and REACH, supporting sustainable and safe manufacturing practices
• Robust steel construction offering high strength-to-weight ratio for long-term reliability

Professional Applications & Engineering Value

These zinc-plated steel flat washers are engineered to address common industrial challenges such as fastener loosening, corrosion-induced failures, and inconsistent load distribution. The zinc plating provides a protective barrier against moisture and chemicals, making them ideal for outdoor equipment, automotive assemblies, and machinery exposed to corrosive elements. With precise dimensions (0.156" ID and 0.312" OD), they ensure a perfect fit for No. 6 screw applications, minimizing vibration and wear in high-stress environments. By meeting ASME B18.21.1 standards, these washers deliver reliable performance in construction, electronics, and heavy-duty manufacturing, enhancing overall assembly integrity and reducing maintenance costs.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.156", outer diameter of 0.312", and thickness ranging from 0.028" to 0.036", manufactured to ASME B18.21.1 specifications for consistent quality and interchangeability. It complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations. The material, zinc-plated steel, and Rockwell B40 hardness provide reliable mechanical properties for industrial use.