S-91239A622 M12 x 50 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive 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 from black-oxide coating on alloy steel, extending service life in harsh environments
- Exceptional load-bearing capacity with 140,000 psi tensile strength and Class 10.9 rating for heavy-duty applications
- Optimized torque transmission through 8mm hex drive design, preventing tool slippage during installation
- Reliable thread engagement with Class 6g coarse threads (M12 x 1.75mm pitch) ensuring vibration-resistant connections
- Enhanced durability from Rockwell C32 hardness, maintaining structural integrity under repeated stress
- Streamlined assembly process with fully threaded design and rounded button head for flush mounting
- Global compliance assurance meeting ISO 7380 standards with RoHS 3 and REACH environmental regulations
Professional Applications & Engineering Value
These Class 10.9 metric screws deliver critical performance where high tensile strength and corrosion resistance are paramount. The black-oxide alloy steel construction prevents rust formation in industrial settings like machinery assembly, automotive frameworks, and structural steel connections. Engineers specify these fully threaded hex drive screws for their consistent Class 6g thread fit, which maintains clamping force in vibrating equipment. The rounded button head profile provides a low-profile finish while the coarse threading enables rapid installation in tough materials. Ideal for heavy-duty fastening applications requiring ISO 7380 compliance, these fasteners eliminate premature failure risks in critical joints.
Specification Summary & Compliance
Manufactured to ISO 7380 specifications with Class 6g thread tolerance and M12 x 1.75mm coarse thread profile. The Class 10.9 strength rating corresponds to 140,000 psi tensile strength and Rockwell C32 hardness. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across international markets.
