S-93705A144 6-32 x 1/4" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

18-8 Stainless Steel Thread-Locking Socket Head Screws

0036FA00039 18-8 Stainless Steel Thread-Locking Socket Head Screws
0036FA00039 18-8 Stainless Steel Thread-Locking Socket Head Screws

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

Part No.
Part No. 0036FA00039
Equivalent to mcmaster :
93705A144

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.226"
Head Height 0.138"
Socket Head Profile Standard

Dimensions

Length 1/4"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded
Locking Type Thread Locker
Thread Locker Type Nylon Patch
Thread Locker Temperature Range -70° to 250° F

Tip & Drive Parameters

Drive Style Hex
Drive Size 7/64"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
  • Exceptional tensile strength of 70,000 psi ensures reliable fastening under high-stress conditions
  • Vibration-resistant locking capability through nylon patch thread locker that maintains integrity from -70° to 250°F
  • Precise thread engagement with Class 3A UNC coarse threads for superior fit and reduced cross-threading risk
  • Optimized drive efficiency with 7/64" hex socket design providing maximum torque transfer and strip resistance
  • Full compliance assurance meeting ASME B18.3 specifications for dimensional accuracy and performance reliability
  • Environmental regulation compliance with RoHS 3 and REACH standards for safe use across global markets

Professional Applications & Engineering Value

This 6-32 x 1/4" socket head cap screw delivers critical engineering solutions where vibration resistance and material integrity are paramount. The 18-8 stainless steel composition provides excellent corrosion resistance for demanding environments including marine applications, food processing equipment, and outdoor machinery. The nylon patch thread locking technology effectively prevents loosening under dynamic loads, eliminating the need for secondary locking components. With its UNC coarse thread configuration and Class 3A thread fit, this fastener ensures rapid installation and reliable performance in high-volume assembly operations. The combination of 70,000 psi tensile strength and Rockwell B70 hardness makes it ideal for critical joints in aerospace components, automotive subsystems, and industrial machinery where fastener failure is not an option.

Specification Summary & Compliance

This socket head cap screw maintains precision Class 3A thread fit with UNC coarse thread spacing, manufactured to exact ASME B18.3 dimensional standards. The fastener features a standard socket head profile with 7/64" hex drive and is fully threaded along its 1/4" length. Compliance is verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use across industrial markets. The right-hand thread direction and standard head configuration provide consistent performance within specified temperature ranges from -70° to 250°F.

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