S-92185A501 1/4"-20 x 1/4" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

0018FA00221 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
0018FA00221 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

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

Part No.
Part No. 0018FA00221
Equivalent to mcmaster :
92185A501

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 3/8"
Head Height 1/4"
Socket Head Profile Standard

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/16"

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 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 reliable load-bearing performance
  • Precise thread engagement ensured by Class 3A thread fit for secure fastening in critical applications
  • Easy installation and removal with standard hex socket (3/16" drive) and right-hand coarse (UNC) threading
  • Full-threaded design provides consistent gripping power along the entire 1/4" length
  • Compliance with environmental regulations including RoHS 3 and REACH for global market acceptance
  • Optimized for industrial use with standardized socket head profile for compatibility with common tools

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers critical performance advantages in demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The combination of Class 3A thread fit and UNC coarse threading ensures rapid assembly with superior vibration resistance, making it ideal for machinery, marine equipment, chemical processing, and food-grade applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, providing extended service life in moist or chemically aggressive environments. With its fully threaded design and 70,000 psi tensile strength, this fastener maintains clamping force under dynamic loads, solving common challenges of loosening and fatigue failure in critical connections.

Specification Summary & Compliance

This socket head cap screw features precision 1/4"-20 UNC coarse threads with Class 3A fit for exacting dimensional accuracy. Manufactured from 316 stainless steel with Rockwell B70 hardness, it delivers consistent mechanical properties meeting industrial fastening requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance for industrial procurement.

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