S-91116A170 10.5 mm ID x 30 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extending service life
• Excellent load distribution from the 30mm outer diameter, minimizing surface pressure and preventing material damage
• Enhanced vibration resistance for secure fastening in dynamic or high-stress industrial applications
• Reliable dimensional accuracy per DIN 9021 standard, ensuring consistent fit and performance with M10 screws
• Durable mechanical strength provided by Rockwell B52 hardness, resisting deformation under load
• Environmental compliance with RoHS 3 and REACH, supporting sustainable and safe manufacturing processes
• Broad industrial compatibility with metric sizing, simplifying procurement and assembly in global projects

Professional Applications & Engineering Value

This M10 flat washer, manufactured from 18-8 stainless steel and conforming to DIN 9021, addresses critical engineering challenges in industrial settings. Its corrosion-resistant material prevents rust and degradation in moist or chemical-exposed environments, reducing maintenance costs and downtime. The precise 10.5mm inner diameter and 30mm outer diameter ensure optimal load spreading, protecting components from stress concentrations and loosening due to vibrations. Commonly used in machinery, automotive, and construction assemblies, this metric flat washer enhances joint integrity, supports heavy-duty applications, and aligns with stringent quality standards for reliable, long-term performance.

Specification Summary & Compliance

This washer features a 10.5 mm ID, 30 mm OD, and 2.3-2.7 mm thickness, designed for M10 screw sizes with dimensional precision per DIN 9021. It meets Rockwell B52 hardness for mechanical durability and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.