S-91321A132 1/4"-20 x 1 1/2" MS35190-293, NASM35190 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with cadmium-plated steel construction, ensuring long-term reliability in harsh industrial environments
• High tensile strength of 60,000 psi provides secure, vibration-resistant fastening for demanding applications
• Standard 82° countersink angle enables flush mounting and clean surface finishes
• Class 2A thread fit ensures smooth installation and consistent performance with standard UNC nuts
• Fully threaded right-hand design offers maximum grip length and straightforward assembly
• Phillips No. 3 drive allows for efficient installation with common tools
• MS35190-293/NASM35190 compliance guarantees consistent quality and aerospace-grade specifications

Professional Applications & Engineering Value

Engineered for industrial applications requiring reliable fastening under stress, these 1/4-20 UNC flat head screws combine cadmium-plated steel durability with precision coarse threading to resist loosening in high-vibration environments. The 82° countersink angle and flat head profile create seamless surfaces in machinery, automotive assemblies, and aerospace components. With full threading and Class 2A fit, installation is quick and secure, reducing assembly time while meeting strict MS35190-293 specifications for critical fastening applications.

Specification Summary & Compliance

This product features 1/4"-20 UNC coarse threads with Class 2A thread fit and 1-1/2" length in inch system measurements. Manufactured to meet MS35190-293 (NASM35190) specifications, ensuring consistent dimensional accuracy and performance standards. The cadmium-plated steel construction complies with industrial requirements for corrosion resistance and mechanical durability.