S-91116A420 15 mm ID x 44 mm OD DIN 9021 Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for humid or chemically aggressive environments.
• Reliable load distribution with precise 15mm ID and 44mm OD, reducing surface pressure and preventing material damage.
• Enhanced durability with Rockwell B68 hardness, maintaining structural integrity under repeated stress.
• Standardized compatibility per DIN 9021, ensuring seamless fit with M14 screws in metric assemblies.
• Environmental and safety compliance with RoHS 3 and REACH, meeting strict EU regulations for hazardous substances.
• Consistent thickness between 2.7–3.3 mm, providing uniform spacing and vibration resistance in industrial setups.
• Versatile application readiness for heavy-duty uses, from machinery to construction, without additional treatments.

Professional Applications & Engineering Value

This M14 flat washer is engineered to address common industrial challenges like corrosion-induced failure and uneven load distribution. Crafted from Black-Oxide 18-8 Stainless Steel, it offers superior protection against rust and oxidation, extending service life in demanding settings such as marine equipment, chemical processing plants, and outdoor structures. The precise metric dimensions (15mm ID, 44mm OD) and adherence to DIN 9021 ensure accurate alignment with M14 fasteners, minimizing loosening under vibration. By combining high Rockwell B68 hardness with a robust flat washer design, it effectively disperses clamping force, preventing bolt embedment and surface damage on softer materials. This makes it a reliable choice for engineers seeking longevity and compliance in industrial washers for heavy-duty applications.

Specification Summary & Compliance

This washer features a 15mm inner diameter and 44mm outer diameter with a thickness range of 2.7–3.3 mm, designed for M14 screw sizes in metric systems. It conforms to DIN 9021 standards for dimensional accuracy and performance. The material is Black-Oxide 18-8 Stainless Steel with a hardness of Rockwell B68, ensuring consistent quality. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), affirming adherence to environmental and safety regulations for hazardous substances.