S-91783A096 3-48 x 1/2" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for demanding industrial applications
• Precision thread engagement through Class 2A UNC coarse threads providing reliable fastening and vibration resistance
• Easy installation and removal with standard slotted drive design and rounded head profile for straightforward tool access
• Full threading coverage along the entire 1/2" length ensures maximum grip and load distribution
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

These 3-48 UNC rounded head slotted screws deliver critical performance advantages in precision engineering applications where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 stainless steel material and passivated finish provides exceptional protection against oxidation and chemical exposure, making them ideal for electronics assembly, instrumentation, and marine components. The Class 2A thread fit with coarse UNC threading ensures rapid installation while maintaining precise alignment in threaded holes. The rounded head design with standard slotted drive offers reliable torque transmission without specialized tools, reducing assembly time and tooling costs. These screws effectively address common industrial challenges including vibration loosening, material degradation, and compliance requirements across multiple sectors.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2A thread fit and UNC coarse thread specifications (3-48 size, 0.099" diameter). The screws feature a standard rounded head profile with 0.187" diameter and 0.078" height, fully threaded along the 1/2" length. Compliance includes ASME B18.6.3 manufacturing standards, RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions, and REACH (EC 1907/2006) compliance for chemical safety regulations.