S-90233A410 4-40 x 1/2" ASME B18.6.3 Titanium Phillips Flat Head Screws
Titanium 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
- Exceptional corrosion resistance from Grade 2 Titanium, ideal for harsh environments like marine and chemical processing
- Significant weight reduction compared to steel, crucial for aerospace and portable medical device applications
- High tensile strength of 40,000 psi ensures reliable, secure fastening under demanding mechanical loads
- Superior durability with Rockwell B80 hardness, providing excellent resistance to wear and galling
- Precision Class 2A thread fit guarantees smooth installation and consistent, reliable engagement
- Standard 82° countersink angle allows for a clean, flush finish in countersunk holes
- Broad regulatory compliance with ASME B18.6.3, RoHS 3, and REACH for assured quality and environmental safety
Professional Applications & Engineering Value
These Grade 2 Titanium Flat Head Screws are engineered to solve critical challenges in high-performance industries. The 4-40 UNC coarse thread and fully threaded design provide maximum pull-out strength and ease of assembly in materials where fine threads might strip. The inherent corrosion resistance of commercially pure titanium eliminates the risk of contamination and failure in sterile medical device assemblies or saltwater marine applications. For the aerospace sector, the combination of high tensile strength and ultra-lightweight properties directly contributes to weight-saving initiatives without compromising structural integrity. The Phillips No. 1 drive and flat head profile ensure a secure, flush installation, making these screws a reliable, long-lasting fastening solution.
Specification Summary & Compliance
This product adheres to precise dimensional and performance standards. The 4-40 UNC threads feature a Class 2A fit for consistent assembly tolerance. Manufacturing and quality are governed by the ASME B18.6.3 specification. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free from hazardous substances and safe for use in regulated markets.
