S-94518A421 10-24 x 1" QQ-P-35, MS24671-23 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel and passivated finish for extended service life in harsh environments
• Precision thread engagement with Class 3A fit ensures reliable fastening and vibration resistance in critical assemblies
• High tensile strength of 70,000 PSI provides exceptional load-bearing capacity for demanding industrial applications
• Optimized countersink design with 82° angle allows for flush mounting in standard countersunk holes
• Hex drive compatibility with 1/8" drive size enables secure tool engagement and efficient installation
• Full threading along 1" length offers maximum grip range and adjustment flexibility
• Regulatory compliance assurance meeting Fed. Spec. QQ-P-35, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

This 10-24 UNC flat head screw delivers exceptional engineering value through its 18-8 stainless steel construction and passivated surface treatment, specifically engineered to combat corrosion in demanding industrial environments. The Class 3A thread fit ensures precise engagement with mating components, eliminating play and maintaining structural integrity under vibration and dynamic loads. The coarse thread spacing provides rapid installation while the 82° countersink angle creates seamless flush mounting in machinery, electronics enclosures, and structural assemblies. With 70,000 PSI tensile strength and full threading along its 1" length, this hex drive fastener offers reliable performance in aerospace, manufacturing, and marine applications where corrosion resistance and mechanical reliability are paramount.

Specification Summary & Compliance

This flat head screw maintains precision Class 3A thread fit according to UNC standards with coarse thread spacing, ensuring dimensional accuracy across all applications. Manufacturing complies with Fed. Spec. QQ-P-35 (MS24671-23) for quality assurance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for hazardous substance restrictions. The 82° countersink angle and right-hand thread direction adhere to industry-standard specifications for compatibility with existing components and tooling systems.