S-92220A259 3/8"-16 x 1 3/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-Profile Socket 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 with black-oxide coating, ideal for harsh industrial environments
- Maximum holding power through fully threaded Class 3A UNC coarse threads for superior fastening reliability
- High tensile strength of 140,000 PSI ensures durability in heavy-duty applications
- Low-profile socket head design allows installation in tight spaces without compromising strength
- Precision Rockwell C39 hardness maintains structural integrity under extreme mechanical stress
- ASTM A574 certification guarantees consistent quality and performance standards
- Compliance with RoHS 3 and REACH regulations ensures environmental and workplace safety
Professional Applications & Engineering Value
These low socket head cap screws deliver critical performance advantages in demanding engineering applications. The black-oxide alloy steel construction provides superior corrosion resistance, extending service life in manufacturing equipment, machinery assembly, and automotive components. The Class 3A UNC coarse threads ensure rapid installation and maximum thread engagement, reducing assembly time while preventing loosening under vibration. With 140,000 PSI tensile strength and Rockwell C39 hardness, these fully threaded screws maintain clamping force in high-stress environments where fastener failure is not an option. The low-profile head design with 3/16" hex drive enables secure installation in confined spaces common in precision equipment and compact assemblies.
Specification Summary & Compliance
Manufactured to ASTM A574 specifications with precision Class 3A thread fit for consistent dimensional accuracy. Features 3/8"-16 UNC coarse threads in right-hand direction with full threading along the 1 3/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe industrial use. The inch system measurement provides standardized compatibility with North American equipment and specifications.
