S-97654A704 1/2"-13 x 2" Stainless Steel Flanged Button Head Hex-Drive 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 with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precise Class 3A thread fit ensuring reliable engagement and vibration resistance in critical assemblies
• Integrated flange design eliminates need for separate washers, reducing installation time and component count
• 5/16" hex drive provides secure tool engagement and high torque transmission capability
• Full threading along the 2" length enables maximum adjustment flexibility and load distribution
• Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 18-8 stainless steel flanged button head screws deliver critical performance advantages where corrosion resistance and structural integrity are paramount. The passivated finish enhances surface durability while the Class 3A UNC coarse threads provide superior engagement in various materials including metals and high-density plastics. The integrated flange design distributes clamping force over a wider area (1.156" diameter), preventing surface damage and maintaining joint integrity under vibration. Particularly valuable in machinery assembly, transportation equipment, and outdoor structures, these hex drive screws with their rounded button head profile offer both aesthetic appeal and functional reliability in visible applications.

Specification Summary & Compliance

This fastener features precision 1/2"-13 UNC coarse threads with Class 3A fit for tight tolerance applications. Manufacturing conforms to industry standards for dimensional accuracy, including the specified 2" length and 0.5" thread diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring responsible material sourcing and manufacturing processes. The Rockwell B70 hardness and 70,000 psi tensile strength validate the mechanical performance claims for engineering applications.