S-90388A127 M8 x 16 mm ASME B18.3.4M, ISO 7380 Tamper-Resistant Torx Steel Button Head Screws
Tamper-Resistant Torx Steel Button 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
- Tamper-resistant security with specialized Torx T40 drive prevents unauthorized removal in sensitive applications
- Exceptional durability from Black-Oxide Alloy Steel construction with Rockwell C38 hardness rating
- Superior load-bearing capacity with 130,000 psi tensile strength for demanding industrial environments
- Reliable thread engagement through Class 6g precision threads and coarse 1.25mm pitch spacing
- Optimized fastening performance with fully threaded M8 x 16mm design for maximum holding power
- Enhanced corrosion resistance from black-oxide surface treatment extending service life
- Industry-standard compliance meeting ASME B18.3.4M and ISO 7380 specifications for quality assurance
Professional Applications & Engineering Value
These M8 metric screws with tamper-resistant Torx T40 drive provide critical security solutions for industrial equipment, public infrastructure, and high-value assets where unauthorized access must be prevented. The black-oxide alloy steel construction delivers exceptional corrosion resistance while maintaining Rockwell C38 hardness for long-term performance in harsh environments. The fully threaded coarse spacing (1.25mm pitch) ensures rapid installation and superior vibration resistance, making these button head screws ideal for machinery, electronic enclosures, and automotive applications where both security and reliability are paramount. The rounded head profile distributes clamping force evenly while preventing surface damage during installation.
Specification Summary & Compliance
This M8 x 1.25mm screw features precision Class 6g thread fit according to metric standards with 16mm length and fully threaded design. Manufacturing complies with ASME B18.3.4M and ISO 7380 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial use across global markets.
