S-91793A115 4-40 x 1" ASME B18.6.3 Stainless Steel Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under high stress
• Precision thread engagement through Class 2A fit and fully threaded UNC coarse design, enabling secure fastening and reduced assembly time
• Wide binding head profile provides enhanced load distribution and prevents pull-through in softer materials
• Slotted drive compatibility allows for straightforward installation using standard tools, maintaining operational efficiency
• Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH, ensuring safety and environmental standards are met
• Versatile 1" length and 4-40 thread size offers broad applicability across various assembly requirements

Professional Applications & Engineering Value

These 4-40 UNC rounded head slotted screws are engineered to address critical fastening challenges in industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making them ideal for electronics, machinery, and outdoor equipment where moisture or corrosive agents are present. The binding head style with a wide profile distributes clamping force effectively, reducing the risk of damage to assembled components. With a coarse thread and Class 2A fit, these screws ensure quick, reliable installation and vibration resistance, minimizing maintenance needs in high-tensile applications. Their compliance with ASME B18.6.3 guarantees dimensional consistency, while adherence to RoHS and REACH supports sustainable manufacturing practices.

Specification Summary & Compliance

This product features a 4-40 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and reliable assembly. Manufactured in accordance with ASME B18.6.3 specifications, it ensures consistent performance across industrial uses. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmental safety standards.