S-91286A627 3/8"-16 x 1" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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 capability with 150,000 PSI tensile strength for demanding industrial applications
- Superior corrosion resistance provided by zinc-flake coating, extending service life in harsh environments
- Reliable high-strength performance backed by Grade 8 classification and Rockwell C33 hardness rating
- Easy installation and removal with external hex drive design and fully threaded construction
- Precise thread engagement ensured by UNC coarse threads with Class 2A fit for consistent performance
- Industry-standard compatibility meeting ASME B18.2.1 and SAE J429 specifications
- Environmental compliance with RoHS 3 and REACH regulations for global industrial use
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The zinc-flake coated steel construction provides superior protection against environmental degradation, while the 3/8"-16 UNC coarse threads ensure rapid installation and secure fastening in heavy machinery, structural steel connections, and industrial equipment. The external hex drive design accommodates standard tools for efficient assembly and maintenance operations. Ideal for applications requiring 150,000 PSI tensile strength and Rockwell C33 hardness, these fully threaded fasteners prevent joint failure in high-vibration environments and demanding load conditions, making them essential components in manufacturing, construction, and automotive industries where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (3/8"-16) for consistent performance. Complies with ASME B18.2.1 and SAE J429 specifications for hex head screws. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use in industrial applications worldwide.
