S-91785A628 3/8"-16 x 1 1/2" ASME B18.6.3 Stainless Steel Truss Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under heavy loads
• Optimized load distribution through the wide truss head design, reducing surface pressure and preventing material damage
• Quick and secure installation with coarse UNC threading and Class 2A fit, ensuring smooth engagement and vibration resistance
• Full threading along the entire 1-1/2" length provides maximum grip and adjustment flexibility in various material thicknesses
• Standard-compliant reliability meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmentally responsible manufacturing with compliance to RoHS 3 and REACH regulations for safe industrial use

Professional Applications & Engineering Value

This rounded truss head slotted screw delivers critical engineering advantages where vibration resistance, corrosion protection, and structural integrity are paramount. The 18-8 stainless steel material combined with passivated finish provides excellent defense against chemical exposure and oxidation in demanding environments like marine equipment, food processing machinery, and outdoor structures. The wide truss head design distributes clamping force over a larger surface area, preventing surface damage to softer materials while maintaining secure fastening. With fully threaded UNC coarse threading and Class 2A fit, these screws ensure rapid installation and reliable performance in high-vibration applications, reducing maintenance frequency and downtime in industrial assembly operations.

Specification Summary & Compliance

This fastener features precision 3/8"-16 UNC coarse threading with Class 2A thread fit for consistent engagement and reliable performance. Manufacturing complies with ASME B18.6.3 standards ensuring dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety and restricted substance control. Critical dimensions include 0.823" head diameter, 0.215" head height, and 1-1/2" fully threaded length, providing standardized compatibility across industrial applications.