S-93085A848 1/4"-28 x 3/8" MS24693-C292, NASM24693 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• High tensile strength of 70,000 psi ensures reliable fastening performance under demanding mechanical loads
• Precise Class 2A thread fit provides smooth installation and consistent clamping force in critical assemblies
• 100° countersink angle allows for flush mounting in standard countersunk applications
• Full threading along entire shank length enables maximum grip range and adjustment flexibility
• Phillips No. 3 drive design offers secure tool engagement and efficient installation
• Compliance with MS24693 specifications guarantees consistent quality and interchangeability

Professional Applications & Engineering Value

These 1/4"-28 UNF flat head screws deliver exceptional value in precision engineering applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making these Phillips drive screws ideal for aerospace, marine, and industrial equipment assemblies. The fine UNF threading with Class 2A fit ensures vibration-resistant fastening in thin materials and high-stress applications. The standardized 100° countersink angle and flat head profile create seamless surface finishes while the fully threaded design maximizes engagement in variable material thicknesses. These fasteners solve critical challenges in maintenance-sensitive environments where durability and regulatory compliance are essential.

Specification Summary & Compliance

Manufactured to exact inch system dimensions with Class 2A thread fit tolerance for precision assembly. Complies with MS24693 (NASM24693) military specifications for dimensional consistency and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Features right-hand UNF fine threads with 1/4"-28 sizing and standard flat head profile with Phillips No. 3 drive system.