S-91251A153 6-32 x 1" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel 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 load-bearing capability with 170,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance thanks to the Black-Oxide coating, extending service life in harsh industrial environments
- Precise thread engagement with Class 3A UNC coarse threading ensuring secure fastening and vibration resistance
- High durability and wear resistance from Rockwell C37 hardness, maintaining integrity under repeated use
- Easy installation and removal with standard hex drive (7/64") design for efficient assembly and maintenance
- Full-threaded design providing consistent holding power along the entire 1" length for versatile applications
- Compliance with industry standards including ASTM A574, RoHS 3, and REACH for quality assurance and environmental safety
Professional Applications & Engineering Value
This Black-Oxide Alloy Steel Socket Head Cap Screw delivers critical engineering solutions where precision and reliability are paramount. The UNC coarse threading (6-32) combined with Class 3A thread fit ensures rapid assembly and superior vibration resistance in machinery, automotive, and heavy equipment applications. The Black-Oxide surface treatment provides essential corrosion protection without compromising dimensional accuracy, while the fully threaded design offers uniform stress distribution. Engineered to ASTM A574 specifications, these high-strength industrial fasteners prevent joint failure in dynamic loading conditions, making them ideal for precision assemblies requiring consistent clamp load and long-term durability.
Specification Summary & Compliance
This socket head cap screw features precision 6-32 UNC coarse threads with Class 3A thread fit for tight tolerance applications. Manufactured to ASTM A574 specification for alloy steel socket head cap screws, it ensures consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions and chemical safety.
