S-93413A338 13 mm ID x 20 mm OD DIN 433; ISO 7092 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with black-coated steel to extend service life in harsh environments
• Precise dimensional fit with 13mm ID and 20mm OD ensuring reliable alignment with M12 screws
• Enhanced load distribution from 1.8-2.2mm thickness to prevent surface damage and loosening
• Consistent mechanical performance with Rockwell B76 hardness for dependable strength under stress
• Global compliance assurance meeting DIN 433 and ISO 7092 standards for interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance for safe industrial use
• Optimized for industrial durability with corrosion-resistant coating reducing maintenance needs

Professional Applications & Engineering Value

These M12 flat washers deliver critical engineering value by addressing common industrial fastening challenges. The black corrosion-resistant coated steel construction provides essential protection against rust and chemical exposure in demanding applications like outdoor machinery, automotive assemblies, and structural frameworks. With precise metric dimensions (13mm ID × 20mm OD) conforming to DIN 433 and ISO 7092 standards, these washers ensure perfect compatibility with M12 fasteners while distributing clamp load effectively to prevent joint failure. The controlled 1.8-2.2mm thickness maintains consistent pressure across surfaces, making them ideal for vibration-prone equipment where reliable industrial washers are essential for long-term operational safety.

Specification Summary & Compliance

This flat washer features metric dimensions with 13mm internal diameter and 20mm outer diameter, thickness ranging 1.8-2.2mm, and Rockwell B76 hardness. Manufactured to DIN 433 and ISO 7092 standards for dimensional precision and interchangeability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in industrial applications.