S-91870A763 3/8"-16 x 2" ASME B18.3 Tamper-Resistant Torx Stainless Steel Flat Head Screws
Tamper-Resistant Torx Stainless Steel Flat 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
- Enhanced tamper resistance with T45 Torx drive prevents unauthorized removal in high-security environments
- Superior corrosion protection through passivated 18-8 stainless steel construction for extended service life
- Precision thread engagement with Class 3A fit ensures reliable fastening in critical applications
- High-load capacity with 70,000 psi tensile strength and Rockwell B70 hardness for demanding industrial use
- Full-threaded design provides maximum grip length and uniform stress distribution
- Standard 82° countersink angle enables flush mounting without protrusion hazards
- Regulatory compliance with ASME B18.3, RoHS 3, and REACH standards for quality assurance
Professional Applications & Engineering Value
This 18-8 stainless steel flat head screw addresses critical industrial fastening challenges where security, corrosion resistance, and structural integrity are paramount. The tamper-resistant Torx T45 drive provides superior torque transmission while deterring unauthorized access in public infrastructure, machinery guards, and electrical enclosures. The passivated finish significantly enhances corrosion resistance in humid or chemical-exposed environments, while the Class 3A thread fit ensures precise engagement in high-vibration applications. With fully threaded construction and 70,000 psi tensile strength, this security fastener maintains joint integrity in heavy-duty assembly operations, manufacturing equipment, and transportation systems where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for superior dimensional accuracy. Features 3/8"-16 UNC coarse threads with standard 82° flat head profile and 2" fully threaded length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
