S-92655A654 3/4"-10 x 4 1/2" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
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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 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- Superior mechanical strength with 75,000 psi tensile strength and ASTM Grade B8 certification for reliable performance under high stress.
- Optimized for high-torque applications featuring a large 1 1/4" external hex head for secure, easy installation with standard tools.
- Enhanced durability and wear resistance due to Rockwell B100 hardness, ensuring long service life.
- Reliable coarse UNC threading with Class 2A fit for quick assembly and reduced cross-threading risk in industrial settings.
- Versatile partial threading design with a 2 3/4" grip length for precise clamping force distribution.
- Compliance with stringent ASTM A193 specifications guarantees material quality and performance for critical applications.
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw is engineered to address common industrial challenges such as vibration loosening, corrosion-induced failure, and high-load demands. Manufactured from 18-8 Stainless Steel and certified to ASTM Grade B8, it provides excellent resistance to oxidation and chemical exposure, making it suitable for heavy-duty fastening in construction, machinery, and marine equipment. The coarse thread and Class 2A thread fit ensure rapid, secure installation, while the external hex drive allows for high torque application without slippage. Its partially threaded design concentrates clamping force effectively, reducing stress concentration and improving joint integrity in structural and piping systems.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including UNC coarse threads with a Class 2A thread fit for consistent engagement. It meets ASTM A193 specifications for high-temperature service and is manufactured from ASTM Grade B8 18-8 Stainless Steel. Compliant with industry regulations, it ensures reliable performance in demanding applications, with material properties verified for hardness (Rockwell B100) and tensile strength (75,000 psi).
