S-90044A314 5/16"-18 x 10" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel 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
- Exceptional tensile strength of 170,000 PSI for reliable performance in high-stress industrial applications
- Superior corrosion resistance with black-oxide coating that extends service life in demanding environments
- Precise Class 3A thread fit ensures secure fastening with minimal vibration loosening
- Hex socket drive design provides superior torque transmission and prevents tool slippage
- Partially threaded shank allows for precise clamping force distribution
- ASTM A574 certification guarantees consistent quality and mechanical properties
- RoHS 3 and REACH compliance meets international environmental and safety standards
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws deliver critical performance advantages for demanding industrial applications. The combination of 170,000 PSI tensile strength and Rockwell C37 hardness ensures exceptional durability in heavy machinery, automotive assemblies, and structural frameworks. The 5/16"-18 UNC coarse threads with Class 3A fit provide superior engagement in both soft and hard materials, while the hex socket drive enables high-torque installation in confined spaces. The black-oxide surface treatment offers enhanced corrosion protection, making these fasteners ideal for applications exposed to moisture, chemicals, or outdoor conditions where reliability is paramount.
Specification Summary & Compliance
This socket head cap screw features precision 5/16"-18 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. The fastener meets ASTM A574 specifications for alloy steel socket head cap screws and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Manufactured from high-strength alloy steel with Rockwell C37 hardness and 170,000 PSI tensile strength, this 10" length partially threaded screw delivers consistent performance in critical industrial applications.
