S-90585A025 10-24 x 1/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction with passivated finish
• Precise thread engagement with Class 3A thread fit ensuring reliable fastening and vibration resistance
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Optimal flush mounting achieved through 82° countersink angle and undercut flat head design
• Easy installation and removal with hex drive style requiring only 1/8" drive tool
• Full thread coverage along the 1/4" length provides maximum grip and load distribution
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations

Professional Applications & Engineering Value

These 10-24 UNC flat head screws in 316 stainless steel deliver exceptional value in corrosive and high-stress environments where reliability is critical. The Class 3A thread fit provides superior precision that prevents loosening under vibration, while the coarse thread spacing enables faster installation in production settings. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these screws ideal for marine, chemical processing, and food industry applications where exposure to moisture and chemicals is common. The undercut flat head profile ensures proper seating in countersunk holes, creating flush surfaces that eliminate protrusions in machinery and equipment.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit precision and UNC coarse thread spacing. Features include 0.19" thread diameter, 1/4" length with full threading, and head diameter tolerance of -0.052" to 0". Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.