S-97181A127 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Pan Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 316 stainless steel construction, ideal for harsh chemical and marine environments
• Superior mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
• Enhanced durability through passivated surface treatment that improves corrosion protection and extends service life
• Dual-drive convenience with Phillips/Slotted No. 3 drive options for flexible installation using standard tools
• Reliable thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening in various materials
• Full-threaded design providing maximum grip strength along the entire 1" length for superior holding power
• Regulatory compliance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel rounded head screws deliver exceptional performance where corrosion resistance is critical. The passivated finish significantly enhances the natural corrosion resistance of 316 stainless steel, making these fully threaded screws ideal for chemical processing equipment, marine applications, and food processing machinery where exposure to moisture and aggressive substances is common. The UNC coarse thread pattern with Class 2A fit ensures reliable installation in various materials while the dual Phillips/Slotted drive design provides installation flexibility. With 100,000 psi tensile strength and standardized dimensions per ASME B18.6.3, these 1/4-20 screws offer consistent performance and interchangeability across industrial applications.

Specification Summary & Compliance

This 1/4-20 x 1" rounded head screw features precision UNC coarse threads with Class 2A thread fit tolerance for reliable engagement. Manufactured to ASME B18.6.3 specifications ensuring dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The right-hand threaded design with fully threaded configuration provides maximum fastening capability across the entire 1" length.