S-91309A908 1"-8 x 1 1/2" ASME B18.2.1, SAE J429 Low-Strength Steel Hex Head Screws
Low-Strength 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 corrosion resistance with zinc plating, extending service life in demanding industrial environments
- High tensile strength of 60,000 PSI ensures reliable performance under heavy loads and vibration
- Rockwell B69 hardness provides superior durability and resistance to wear and deformation
- Coarse UNC thread design enables faster assembly and better performance in softer materials or where debris is present
- Class 2A thread fit offers consistent, reliable engagement while allowing for easier installation
- External hex drive and full threading facilitate quick installation and maximum grip length
- Compliance with major industrial standards including ASME B18.2.1, ensuring quality and interchangeability
Professional Applications & Engineering Value
This 1"-8 UNC hex head screw delivers critical engineering solutions for heavy-duty applications where reliability is paramount. The high-strength steel construction combined with zinc plating provides excellent protection against corrosion in industrial environments, from manufacturing equipment to structural assemblies. The coarse thread design ensures superior performance in applications where vibration resistance and quick assembly are essential, while the external hex drive allows for high torque application with standard tools. These fully threaded hex screws maintain consistent clamping force across the entire length, making them ideal for demanding applications requiring maximum thread engagement and load distribution.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 1"-8 UNC coarse threads and right-hand threading direction. Manufactured to ASME B18.2.1 specifications where applicable to SAE J429 standards, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry requirements for safe and sustainable manufacturing practices.
