S-91793A077 2-56 x 1/4" 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, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized binding head design with wide rounded profile providing superior clamping force distribution
• Full threading capability allowing maximum grip length and uniform stress distribution along the entire fastener
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These 2-56 UNC rounded head slotted screws deliver critical performance advantages in demanding industrial applications. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for electronic enclosures, instrumentation panels, and machinery where environmental factors threaten fastener integrity. The binding head design with wide rounded profile ensures maximum surface contact, preventing damage to sensitive materials while maintaining secure fastening under vibration. The coarse UNC threads with Class 2A fit enable quick installation and reliable performance in materials where fine threads might strip or fail. These fully threaded screws are particularly valuable in assembly applications requiring consistent clamping force along the entire fastener length, from binding posts in electrical applications to precision mechanical assemblies where 100,000 psi tensile strength ensures long-term reliability.

Specification Summary & Compliance

This 2-56 UNC rounded head slotted screw features precision Class 2A thread fit with right-hand coarse threading and full thread coverage along the 1/4" length. Manufacturing complies with ASME B18.6.3 standards ensuring dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming suitability for use in regulated industries and international markets.