S-94036A221 M6 x 20 mm ISO 898-1, DIN 6921 Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating, ideal for harsh industrial environments
• High tensile strength of 110,000 psi (Class 8.8) ensures reliable performance under heavy loads
• Flange design eliminates the need for separate washers, simplifying assembly and reducing component count
• Partially threaded shank provides improved clamping force and vibration resistance in dynamic applications
• Precision metric threading (M6 x 1 mm, Class 6g) guarantees consistent fit and compatibility with standard components
• External hex drive allows for high-torque installation using common tools without stripping
• Compliance with ISO 898-1 and REACH ensures material safety and international quality standards

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M6 hex head screws combine Class 8.8 high tensile strength with zinc yellow-chromate plating to withstand corrosive conditions in machinery, automotive assemblies, and structural frameworks. The flanged design distributes clamping pressure evenly, preventing surface damage and maintaining joint integrity under vibration. With partial threading and coarse 1 mm pitch, they provide faster assembly and superior resistance to loosening in high-stress environments. These metric fasteners are ideal for OEM manufacturing and maintenance where reliability and compliance with ISO 898-1 standards are critical.

Specification Summary & Compliance

This screw features M6 x 1 mm coarse threads with Class 6g tolerance for precise fit, 20 mm length, and 14.2 mm flange diameter. Manufactured to ISO 898-1 specifications (referencing DIN 6921) with Rockwell C22 hardness. Fully REACH compliant (EC 1907/2006) with no SVHC above threshold levels, ensuring environmental and safety standards are met for industrial use.