S-90666A021 5/16"-18 x 3/4" Super-Corrosion-Resistant 316 Stainless Steel Low-Profile Socket Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Low-Profile 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
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
- High-strength performance with 70,000 PSI tensile strength and Rockwell B70 hardness for reliable load-bearing applications
- Precision thread fit using Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
- Space-saving low-profile head design with 5/32" hex drive for installations with limited clearance
- Full threading along the 3/4" length provides maximum grip and adjustment flexibility in assemblies
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
- Durable socket drive system reduces stripping risk and allows for high-torque installation
Professional Applications & Engineering Value
This 316 stainless steel low profile socket head cap screw delivers exceptional engineering value in demanding industrial settings where corrosion resistance and mechanical strength are critical. The Class 3A thread fit combined with UNC coarse threads ensures rapid assembly and reliable performance in high-vibration machinery, automotive components, and marine equipment. Its low-profile head accommodates tight spaces while the 5/32" hex drive provides secure tool engagement. Engineered for 70,000 PSI tensile strength, this fastener maintains integrity under stress, making it ideal for structural applications, chemical processing equipment, and outdoor infrastructure where environmental compliance and durability are paramount.
Specification Summary & Compliance
Manufactured to precise inch system dimensions including 5/16"-18 UNC coarse threads with Class 3A thread fit for superior tolerance control. The screw features a low-profile socket head with 7/16" diameter and 3/4" fully threaded length. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restricted substance-free composition for global industrial use.
