S-96877A118 2-56 x 1/4" FF-S-92, QQ-P-35, MS51959-3, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical stress.
• Fully threaded design provides maximum grip and uniform load distribution along the entire length.
• 82° countersink angle and flat head profile allow for a flush, secure fit that minimizes protrusion and snagging.
• Class 2A thread fit and coarse UNC threading enable quick, easy installation with reduced cross-threading risk.
• Phillips drive (No. 1 size) offers efficient torque application and compatibility with standard tools.
• Compliance with multiple industry standards guarantees consistent quality and regulatory adherence for professional use.

Professional Applications & Engineering Value

Engineered for demanding applications, these 2-56 UNC flat head screws in passivated 18-8 stainless steel address critical needs in aerospace, electronics, and machinery assembly. The fully threaded design and coarse thread spacing ensure rapid installation and superior holding power in thin materials or tight spaces. The 82° countersink angle provides a seamless finish, reducing aerodynamic drag or interference in precision equipment. With a 70,000 psi tensile strength and corrosion-resistant surface, these screws prevent failure in humid or chemically exposed settings, extending service life and minimizing maintenance. The Phillips drive simplifies disassembly and reassembly, making them ideal for field repairs and high-volume production lines where reliability is paramount.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit and UNC (Unified Coarse) thread standards with a right-hand thread direction, ensuring dimensional accuracy and interchangeability. It meets rigorous specifications including Fed. Spec. FF-S-92, QQ-P-35, MS51959-3, and SAE AMS2700, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable industrial practices.