S-91280A661 M10 x 120 mm ISO 4014, DIN 931, 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
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
- High tensile strength (110,000 PSI) and Class 8.8 grade for reliable performance in heavy-duty applications
- Precise Class 6h thread fit ensures smooth assembly and secure fastening connections
- External hex drive design provides excellent torque transmission and easy installation with standard tools
- Partially threaded shank offers optimal grip length while reducing weight and material usage
- Rockwell C21 hardness maintains thread integrity and prevents stripping during repeated use
- Comprehensive compliance with international standards including ISO 4014 and DIN 931 for guaranteed interchangeability
Professional Applications & Engineering Value
This M10 hex head screw delivers exceptional engineering value through its Class 8.8 steel construction and zinc plated finish, specifically designed to address common industrial fastening challenges. The coarse thread pitch of 1.5mm combined with 26mm minimum thread length ensures rapid installation and superior holding power in structural applications, machinery assembly, and heavy equipment manufacturing. The external hex drive configuration allows for high torque application without slippage, while the partially threaded design concentrates strength where needed most. These metric hex bolts solve vibration-induced loosening problems and provide reliable performance in automotive, construction, and industrial maintenance applications where high tensile strength and corrosion protection are critical requirements.
Specification Summary & Compliance
This fastener maintains Class 6h thread fit tolerance according to ISO metric standards with precise dimensional compliance to ISO 4014 and DIN 931 specifications. Manufacturing follows ISO 898 mechanical properties requirements for Class 8.8 strength grade. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring safe use across various industrial sectors while meeting international quality and environmental standards.
