S-92185A603 5/16"-18 x 2 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00284 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00284 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

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

Part No.
Part No. 0018FA00284
Equivalent to mcmaster :
92185A603

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 1/2"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Diameter 0.3125"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully 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 from 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 heavy-duty applications
  • Precise thread engagement with Class 3A thread fit ensuring reliable, vibration-resistant connections
  • Enhanced durability through passivated surface finish that improves corrosion protection and surface hardness
  • Secure installation with standard hex socket drive and 1/4" drive size for positive torque transmission
  • Full thread coverage along the 2-1/2" length provides maximum grip and load distribution
  • Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel socket head cap screws deliver exceptional performance where corrosion resistance and mechanical integrity are critical. The UNC coarse thread design with Class 3A precision ensures rapid assembly and reliable fastening in high-vibration applications across marine equipment, chemical processing systems, and food processing machinery. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, while the fully threaded configuration provides consistent clamping force along the entire 2-1/2" length. These hex drive screws are particularly valuable in confined spaces where their socket head design allows for efficient installation with standard Allen wrenches, making them ideal for maintenance, repair, and OEM applications requiring high tensile strength and chemical resistance.

Specification Summary & Compliance

This 5/16"-18 UNC socket head cap screw features precision Class 3A thread fit with coarse thread spacing for optimal engagement. Manufactured from 316 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength, the fastener meets rigorous industrial standards. The passivated finish provides enhanced surface protection, while compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety.

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