S-96877A769 1/4"-28 x 1 1/8" FF-S-92, QQ-P-35, MS24693-C299, NASM24693, SAE AMS2700 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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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 performance under demanding mechanical loads
- Precision Class 2A thread fit provides smooth assembly and secure fastening in fine-thread applications
- Fully threaded design maximizes grip length and distribution of clamping force
- Standard flat head profile with 100° countersink angle enables flush mounting in precision assemblies
- Phillips No. 3 drive offers efficient installation with common industrial tools
- Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance
Professional Applications & Engineering Value
These 1/4"-28 UNF flat head screws deliver critical performance advantages in precision engineering applications where corrosion resistance and flush mounting are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making these Phillips drive screws ideal for aerospace, marine, and industrial equipment requiring long-term reliability. The fine thread configuration with Class 2A fit ensures vibration-resistant fastening in thin materials and precision assemblies, while the standardized flat head profile facilitates seamless integration into countersunk applications. These fully threaded machine screws maintain consistent 70,000 psi tensile strength throughout their length, providing uniform load distribution in critical joints.
Specification Summary & Compliance
Manufactured to exacting Class 2A thread fit tolerances with UNF fine threading (1/4"-28). Complies with multiple military and industrial standards including Fed. Spec. FF-S-92, QQ-P-35, MS24693-C299, and NASM24693. Meets SAE AMS2700 passivation requirements and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions.
