S-91770A344 6-32 x 1/8" 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, ideal for harsh industrial environments
- Enhanced load distribution from the wide rounded truss head design, reducing surface damage and improving joint integrity
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening
- Efficient installation using the No. 2 Phillips drive, providing secure torque transfer and reducing tool slippage
- Precise coarse threading with Class 2A UNC fit ensures quick assembly and consistent engagement in various materials
- Full thread coverage along the 1/8" length maximizes grip and pull-out resistance in tight spaces
- Regulatory compliance meets ASME B18.6.3, RoHS 3, and REACH standards for safe, sustainable use in global markets
Professional Applications & Engineering Value
These 6-32 UNC Rounded Truss Head Phillips Screws are engineered to address common industrial challenges such as vibration loosening and material fatigue. The passivated 18-8 stainless steel offers excellent resistance to oxidation and chemical exposure, making them suitable for electronics, machinery, and outdoor equipment. The coarse thread and Class 2A fit provide rapid installation in plastics and sheet metal, while the truss head design distributes clamping force over a wider area, preventing damage to sensitive surfaces. With a tensile strength of 70,000 psi, they ensure secure fastening in high-stress applications, reducing maintenance needs and downtime.
Specification Summary & Compliance
This screw adheres to Class 2A thread tolerances per UNC standards, with a diameter of 0.138" and coarse thread spacing for reliable performance. Manufactured in compliance with ASME B18.6.3 specifications, it ensures dimensional accuracy and interchangeability. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming the absence of hazardous substances and supporting environmental safety in industrial applications.
