S-91310A159 M20 x 100 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 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 load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to black steel construction and RoHS/REACH compliance
- Optimized installation efficiency with external hex drive and 30mm head width for secure tool engagement
- Enhanced thread engagement through Class 6g fit and coarse 2.5mm pitch for faster assembly
- Maximum material penetration achieved through full threading along the entire 100mm length
- Consistent mechanical properties ensured by Rockwell C32 hardness and Class 10.9 strength grade
- Global compatibility with ISO 4017 and DIN 933 standards for international project requirements
Professional Applications & Engineering Value
These M20 hex head screws deliver critical engineering solutions where high tensile strength and durability are paramount. Manufactured from Class 10.9 steel with Rockwell C32 hardness, they withstand extreme vibration and dynamic loads in heavy machinery, structural steel connections, and industrial equipment. The metric coarse thread with 2.5mm pitch provides superior pull-out resistance in both soft and hard materials, while the fully threaded design ensures maximum grip length. The external hex drive and 30mm head width enable high-torque installation without stripping, making them ideal for maintenance operations and production lines where reliability cannot be compromised.
Specification Summary & Compliance
This M20x2.5x100mm hex head screw maintains Class 6g thread fit tolerance according to ISO 4017 and DIN 933 manufacturing specifications. The product fully complies with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring safe use across various industrial sectors. With 150,000 psi tensile strength and Class 10.9 mechanical properties, it meets international standards for heavy-duty fastening applications requiring precision performance and long-term reliability.
