S-91613A443 8-32 x 3/8" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction and passivated finish
• High mechanical reliability with 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
• Easy assembly and secure fastening with UNC coarse threading and Class 2A fit ensuring consistent engagement
• Convenient manual installation using the slotted drive design on the rounded fillister head
• Full thread coverage along the 3/8" length for maximum grip and load distribution
• Compliance with industry standards including ASME B18.6.3 for dimensional accuracy and performance
• Environmental regulation adherence meeting RoHS 3 and REACH requirements for safe usage

Professional Applications & Engineering Value

This 8-32 UNC screw made from 316 stainless steel is engineered to address critical challenges in corrosive and high-stress settings. The passivated finish enhances its innate resistance to chemicals, moisture, and oxidation, making it ideal for marine, chemical processing, and food industry applications where material integrity is paramount. Its rounded fillister head with a slotted drive allows for straightforward manual tightening in confined spaces, while the coarse threading and Class 2A fit provide reliable fastening without cross-threading risks. Fully threaded along its 3/8" length, it ensures uniform stress distribution, reducing the likelihood of joint failure under vibration or dynamic loads.

Specification Summary & Compliance

This screw adheres to ASME B18.6.3 specifications, with precise UNC thread dimensions and Class 2A fit for consistent interchangeability. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.