S-90300A170 3/8"-16 x 3/4" Hex Head Screws with Flat Washer
Hex Head Screws with Flat Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 100,000 psi ensures dependable load-bearing capacity and joint integrity under stress.
- Integrated stainless steel flat washer distributes load evenly, preventing surface damage and loosening.
- Rockwell B95 hardness provides excellent durability and resistance to wear and deformation.
- Class 2A thread fit with UNC coarse threading allows for easy, quick assembly and disassembly while maintaining secure fastening.
- Fully threaded design offers consistent grip along the entire length for versatile application use.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for industrial components.
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding settings. The 18-8 stainless steel material provides exceptional resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing applications. The integrated flat washer, made from the same high-grade stainless steel, enhances clamping force distribution, reducing the risk of damage to connected materials. With its coarse thread and external hex drive, this fastener enables efficient installation in assembly lines or maintenance tasks, ensuring reliable performance in machinery, structural frameworks, and heavy equipment where high tensile strength and regulatory compliance are critical.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy and ease of use. It features a 3/4" length, fully threaded design, and a flat washer with a 1.015" OD and 0.064" thickness, all manufactured from stainless steel. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial fasteners.
