S-91283A468 1 1/2"-6 x 7" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex 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 capacity with 100,000 psi tensile strength, ideal for high-stress industrial assemblies.
- Superior corrosion resistance and durability from Grade 5 steel construction and Rockwell C19 hardness.
- Efficient installation and removal thanks to the external hex drive and 2 1/4" head width for secure tool engagement.
- Reliable coarse threading (1 1/2"-6 UNC) ensures quick assembly and strong holding power in various materials.
- Precise Class 2A thread fit guarantees consistent performance and reduces cross-threading risks.
- Compliance with ASME B18.2.1 and SAE J429 standards ensures interchangeability and quality assurance.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries.
Professional Applications & Engineering Value
This Grade 5 steel hex head screw is engineered to address critical challenges in heavy machinery, construction, and structural frameworks where vibration resistance and long-term reliability are paramount. The partially threaded design concentrates strength at the shank while allowing precise clamping force distribution. With coarse UNC threads and Class 2A fit, it resists loosening under dynamic loads and simplifies installation in coarse-grained materials. The external hex drive accommodates high-torque applications, making it a go-to heavy-duty fastener for industrial equipment, transportation, and infrastructure projects demanding 100,000 psi tensile strength and compliance with ASME B18.2.1 specifications.
Specification Summary & Compliance
This fastener features a 1 1/2"-6 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy. It is manufactured in accordance with ASME B18.2.1 and SAE J429 Grade 5 standards, ensuring mechanical properties and interchangeability. The product is verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
