S-94036A425 M8 x 25 mm ISO 898-1, DIN 6921 Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws
Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with zinc yellow-chromate plating for extended service life in demanding environments
- High tensile strength of 110,000 psi ensures reliable performance in heavy-duty applications and prevents fastener failure
- Class 8.8 strength rating with Rockwell C22 hardness provides superior mechanical properties for industrial fastening requirements
- Integrated flange design eliminates the need for separate washers, simplifying installation and reducing assembly time
- Precision Class 6g thread fit ensures smooth engagement and consistent clamping force in mating components
- Coarse 1.25mm thread pitch enables quick installation and removal while maintaining secure fastening integrity
- External hex drive with 13mm head offers excellent torque transmission and tool accessibility in confined spaces
Professional Applications & Engineering Value
These M8 hex head screws with Class 8.8 strength rating and zinc yellow-chromate plating deliver critical engineering solutions for industrial applications requiring durable, corrosion-resistant fastening. The partially threaded design combined with the integrated flange provides optimal clamping force distribution while eliminating washer requirements, significantly reducing assembly complexity. The coarse thread spacing ensures rapid installation in production environments while maintaining vibration resistance. Engineered to ISO 898-1 DIN 6921 standards, these metric screws offer reliable performance in machinery, equipment manufacturing, and structural applications where 110,000 psi tensile strength and consistent thread engagement are essential for long-term operational safety.
Specification Summary & Compliance
This M8 x 1.25mm hex flange screw features precision Class 6g thread fit with 25mm length and 18mm flange diameter. Manufactured to ISO 898-1 DIN 6921 specifications with Rockwell C22 hardness and coarse thread spacing. Compliant with REACH (EC 1907/2006) regulations and manufactured following international quality standards for industrial fasteners.
