S-90044A273 1"-12 x 6" 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 tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications
- Superior corrosion resistance from black-oxide coating extends service life in demanding environments
- Precision Class 3A thread fit provides superior engagement and vibration resistance in critical assemblies
- Optimized partially threaded design with 3" minimum thread length offers maximum clamping force where needed
- Heavy-duty alloy steel construction with Rockwell C37 hardness maintains integrity under extreme loads
- Industry-standard 3/4" hex drive enables high-torque installation without stripping or cam-out
- Comprehensive compliance with ASTM A574, RoHS 3, and REACH ensures regulatory acceptance worldwide
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these black-oxide alloy steel socket head cap screws deliver exceptional performance where reliability is non-negotiable. The 1"-12 UNRF fine thread configuration with Class 3A precision fit provides superior vibration resistance in machinery, automotive, and construction equipment. The partially threaded design concentrates clamping force precisely where needed, while the Rockwell C37 hardness rating ensures dimensional stability under extreme loads. The black-oxide surface treatment offers enhanced corrosion protection in harsh operating environments, making these socket head cap screws ideal for critical assemblies requiring both strength and durability.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread tolerances with 1"-12 UNRF fine thread spacing and right-hand thread direction. Complies with ASTM A574 specification for alloy steel socket head cap screws, ensuring consistent quality and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for global market acceptance. Features 3" minimum thread length on a 6" overall partially threaded configuration with standard socket head profile and 3/4" hex drive compatibility.
