S-92185A634 3/8"-16 x 2 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00310 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00310 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

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

Part No.
Part No. 0018FA00310
Equivalent to mcmaster :
92185A634

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 2 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

  • Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and prolonged outdoor use.
  • Superior mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
  • Precise, secure fastening with Class 3A thread fit, ensuring tight tolerances and reduced risk of loosening in critical assemblies.
  • Enhanced durability and chemical resistance from the passivated finish, protecting against oxidation and extending service life.
  • Easy installation and high torque capability with a 5/16" hex drive and standard socket head profile, minimizing tool slippage.
  • Versatile partial threading with a 1 1/4" minimum thread length, allowing for adjustable clamping and alignment in various applications.
  • Compliance with stringent environmental regulations, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw is engineered to address common industrial challenges such as corrosion-induced failure and mechanical fatigue in demanding settings. Its UNC coarse thread and Class 3A fit provide excellent vibration resistance and ease of assembly, reducing maintenance downtime in machinery, marine equipment, and chemical processing plants. The passivated finish enhances surface protection against aggressive substances, while the partially threaded design offers flexibility for precise joint control. Ideal for high-strength fastening in aerospace, automotive, and construction sectors, it ensures long-term reliability and cost efficiency by minimizing replacement needs and complying with international standards.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including 3/8"-16 UNC coarse threads with a Class 3A thread fit for superior accuracy. It meets manufacturing specifications for tensile strength (70,000 psi) and hardness (Rockwell B70), and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.

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