S-91785A583 5/16"-18 x 1" ASME B18.6.3 Stainless Steel Truss Head Slotted Screws
Stainless Steel Truss Head Slotted 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Superior load-bearing capability from 100,000 psi tensile strength and Rockwell B100 hardness, ensuring reliable performance under stress.
- Enhanced grip and stability with a wide rounded truss head design, distributing clamping force evenly to prevent surface damage.
- Quick and secure installation using coarse UNC threading and Class 2A fit, reducing assembly time while maintaining precision.
- Full thread engagement along the 1" length for maximum holding power in demanding applications.
- Broad compatibility with standard slotted drive tools, simplifying maintenance and adjustments.
- Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these 18-8 stainless steel rounded truss head slotted screws address common challenges like vibration loosening and corrosion in machinery, HVAC systems, and structural assemblies. The passivated finish enhances durability against moisture and chemicals, while the coarse UNC threading with Class 2A fit provides reliable fastening in materials where fine threads might strip. The truss head design offers a low-profile, wide bearing surface, reducing the risk of pull-through in softer substrates. Ideal for precision engineering and high-stress environments, these screws deliver long-term performance without compromising on ease of installation or regulatory compliance.
Specification Summary & Compliance
This screw features precise Class 2A thread fit with UNC coarse threading (5/16"-18 size) and a length of 1", ensuring dimensional accuracy per ASME B18.6.3 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety requirements for industrial use.
