S-92186A888 7/8"-9 x 4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless 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
- Superior corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
- High tensile strength of 70,000 psi ensures reliable performance in demanding heavy-duty applications
- External hex drive design provides secure, high-torque installation with standard tools
- Class 2A thread fit with UNC coarse threading offers excellent engagement and vibration resistance
- Partial threading configuration optimizes clamping force distribution across joint surfaces
- Rockwell B70 hardness rating maintains structural integrity under repeated stress cycles
- Full compliance with industry standards including ASME B18.2.1 for guaranteed dimensional accuracy
Professional Applications & Engineering Value
Engineered for industrial applications where corrosion resistance and structural reliability are paramount, this 7/8"-9 UNC hex head screw delivers exceptional performance in chemical processing, marine environments, and food processing equipment. The 316 stainless steel composition provides superior protection against chloride-induced stress corrosion cracking, while the coarse thread design ensures rapid assembly and maintains integrity in high-vibration settings. With partial threading optimizing load distribution and the external hex drive enabling high-torque installation, this fastener solves critical challenges in structural connections, heavy machinery assembly, and infrastructure projects requiring long-term durability under extreme conditions.
Specification Summary & Compliance
This 4" length hex head screw features precise Class 2A thread fit tolerances with UNC coarse threading (7/8"-9) and right-hand thread direction. Manufactured to ASME B18.2.1 specifications, it ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial fasteners.
