S-91280A716 M12 x 30 mm ISO 4017, DIN 933, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 Steel 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 tensile strength of 110,000 psi ensures reliable performance in demanding applications
- Superior corrosion resistance with zinc plating for extended service life in harsh environments
- Precision Class 6h thread fit guarantees consistent engagement and vibration resistance
- Class 8.8 strength rating provides high mechanical performance for heavy-duty applications
- Full threading design offers maximum grip length and uniform load distribution
- Standard-compliant manufacturing (ISO 4017/DIN 933) ensures interchangeability and quality assurance
- External hex drive design enables easy installation with common tools and high torque transmission
Professional Applications & Engineering Value
These M12 hex head screws deliver critical engineering advantages for industrial applications where failure is not an option. The Class 8.8 steel construction combined with Rockwell C21 hardness provides optimal balance between strength and ductility, preventing brittle fracture under dynamic loads. The coarse thread pitch of 1.75 mm ensures rapid assembly while maintaining excellent holding power in various materials. The zinc plated finish creates a protective barrier against corrosion, making these fully threaded fasteners ideal for machinery, structural steel connections, and equipment subjected to vibration and environmental exposure. Their compliance with international standards guarantees consistent performance across global manufacturing operations.
Specification Summary & Compliance
Manufactured to precise metric dimensions with Class 6h thread tolerance ensuring proper fit and function. These screws conform to ISO 4017/DIN 933 specifications for hex head screws and ISO 898 for mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, making them suitable for regulated industries and international markets. The 30mm length with M12 x 1.75 mm coarse thread configuration provides standardized fastening solutions for professional applications.
