S-92185A344 3/8"-16 x 5 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00190 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00190 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0018FA00190
Equivalent to mcmaster :
92185A344

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 9/16"
Head Height 3/8"
Socket Head Profile Standard

Dimensions

Length 5 1/2"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Min Thread Length 1 1/4"
Thread Direction Right Hand
Thread Fit Class 3A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/16"

Material & Strength

Material 316 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance thanks to 316 stainless steel construction, ideal for harsh chemical and marine environments
  • Exceptional mechanical strength with 70,000 PSI tensile strength and Rockwell B70 hardness for reliable performance under high stress
  • Precise, secure fastening ensured by Class 3A thread fit, minimizing the risk of loosening in critical assemblies
  • Easy installation and removal with a standard 5/16" hex drive, providing excellent torque transfer and tool accessibility
  • Enhanced durability and chemical resistance from the passivated finish, extending service life in demanding conditions
  • Versatile partial threading allowing for both secure clamping and unthreaded shank applications
  • Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw is engineered to address critical challenges in industrial and marine applications where corrosion and high mechanical stress are prevalent. The combination of UNC coarse threads and Class 3A fit ensures rapid assembly with minimal cross-threading risk, while the passivated finish significantly enhances resistance to oxidants and chlorides. Its partially threaded design provides flexibility for precise clamping force distribution, making it ideal for machinery, pumps, and structural frameworks. With a 5/16" hex drive, it offers secure tool engagement, reducing slippage and improving installation efficiency in confined spaces.

Specification Summary & Compliance

This fastener adheres to UNC thread standards with a Class 3A precision fit for tight tolerances and reliable engagement. Dimensions include a 3/8"-16 thread size, 5 1/2" length, and 1 1/4" minimum thread length. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.

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