S-91770A155 6-32 x 1 1/4" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss Head Phillips 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 passivated 18-8 stainless steel construction for extended service life in harsh environments
- Enhanced load distribution through the wide truss head design, reducing surface damage and improving clamping force
- High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Reliable drive engagement featuring Phillips No. 2 drive for secure torque transmission and reduced cam-out risk
- Optimized thread performance with UNC coarse threading and Class 2A fit ensuring smooth installation and vibration resistance
- Full thread coverage along the entire 1-1/4" length for maximum grip and fastening consistency
- Regulatory compliance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These rounded truss head screws deliver exceptional engineering value in industrial settings where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides superior protection against chemical exposure and atmospheric corrosion, while the wide truss head design distributes clamping force over a larger surface area - preventing material deformation in thin-sheet applications. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation with consistent torque values, making them ideal for production line environments. These fully threaded screws maintain their 70,000 psi tensile strength across the entire fastener length, providing reliable performance in machinery assembly, electrical enclosures, and structural frameworks where vibration resistance and long-term durability are critical requirements.
Specification Summary & Compliance
This 6-32 x 1-1/4" screw features precision Class 2A thread fit with UNC coarse threading and right-hand thread direction. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.
