S-91770A291 12-24 x 1/2" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss Head Phillips Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional holding power from 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-term fastening
- Enhanced load distribution through wide truss head design that reduces surface pressure and prevents material damage
- Quick and secure installation with No. 3 Phillips drive that provides excellent torque transfer and prevents cam-out
- Optimized thread engagement with Class 2A UNC coarse threads ensuring consistent performance and easy assembly
- Full-length threading for maximum grip along the entire fastener length in various material thicknesses
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These 12-24 UNC rounded truss head screws deliver exceptional engineering value in demanding industrial applications where corrosion resistance and reliable fastening are critical. The passivated 18-8 stainless steel construction provides superior protection against rust and chemical exposure, making them ideal for marine, food processing, and outdoor equipment applications. The unique wide truss head profile distributes clamping force over a larger surface area, preventing material deformation in softer substrates while the coarse UNC threading ensures rapid installation and secure holding in various materials. With fully threaded design and No. 3 Phillips drive, these fasteners offer consistent performance in automated assembly lines and maintenance applications requiring repeated access.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (12-24 size), these screws maintain tight tolerances for consistent performance. The fasteners comply with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental safety standards for industrial use worldwide.
