S-92185A571 5/16"-18 x 2 3/4" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00265 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00265 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

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

Part No.
Part No. 0018FA00265
Equivalent to mcmaster :
92185A571

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 15/32"
Head Height 5/16"
Socket Head Profile Standard

Dimensions

Length 2 3/4"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Diameter 0.3125"
Thread Spacing Coarse
Min Thread Length 1 1/8"
Thread Direction Right Hand
Thread Fit Class 3A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 1/4"

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 in harsh environments thanks to 316 stainless steel construction with passivated finish
  • Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
  • Precise thread engagement with Class 3A fit ensuring reliable fastening and vibration resistance
  • Easy installation and removal with standard hex drive socket head design requiring minimal clearance
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
  • Optimized thread design with 5/16"-18 UNC coarse threads providing quick assembly and reduced cross-threading risk
  • Versatile partial threading allowing both threaded and unthreaded sections for flexible application requirements

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers exceptional performance in demanding industrial environments where chemical resistance and mechanical reliability are critical. The combination of UNC coarse threads with Class 3A fit ensures rapid assembly while maintaining precise tolerances for vibration-prone applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these fasteners ideal for marine, chemical processing, and food equipment applications. With 70,000 psi tensile strength and Rockwell B70 hardness, these socket head cap screws provide dependable performance in high-stress assemblies while the hex drive design allows for secure torque application in confined spaces.

Specification Summary & Compliance

This 5/16"-18 UNC socket head cap screw features precise Class 3A thread fit with coarse thread spacing for optimal engagement. Manufactured from 316 stainless steel with passivated finish, the fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards. The partially threaded design provides 1 1/8" minimum thread length on a 2 3/4" overall length, while the standard socket head profile accommodates 1/4" hex drive tools for consistent installation.

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