S-91793A074 2-56 x 1/8" ASME B18.6.3 Stainless Steel Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh environments
• High tensile strength of 100,000 psi ensures reliable load-bearing capacity and joint integrity
• Rockwell B100 hardness provides excellent durability and resistance to wear during installation
• Class 2A thread fit offers consistent, reliable engagement for simplified assembly and reduced cross-threading risk
• Wide rounded binding head design distributes clamping force evenly and prevents surface damage
• Coarse UNC threads enable faster installation and better performance in softer materials
• Full compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

This 2-56 UNC rounded head slotted screw delivers critical performance in demanding industrial settings where corrosion resistance and mechanical strength are paramount. The 18-8 stainless steel construction, enhanced by a passivated finish, provides long-term protection against oxidation and chemical exposure in electronics, machinery, and marine applications. The binding head style with wide profile offers superior clamping without sinking into materials, while the coarse thread design ensures secure fastening in plastics and soft metals. Engineers specify this screw for its reliable Class 2A thread fit, which maintains precise tolerances for vibration-resistant assemblies and reduces production downtime.

Specification Summary & Compliance

This screw maintains Class 2A thread fit per UNC standards with full threading and right-hand direction. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance in global markets.