S-95289A116 6-32 x 1/2" ASME B18.3 Set Screws

Set Screws

0664FA00018 Set Screws
0664FA00018 Set Screws

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

Part No.
Part No. 0664FA00018
Equivalent to mcmaster :
95289A116

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.076"
Tip Length Tolerance -0.005" to 0"
Tip Diameter 0.092"
Tip Diameter Tolerance -0.005" to 0"
Drive Style Hex
Drive Size 1/16"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B80

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
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 with 18-8 stainless steel construction, ideal for harsh industrial environments
  • Exceptional holding power achieved through Class 3A thread fit precision and coarse UNC threading
  • Extended tip design provides deeper penetration and enhanced grip on mating components
  • Reliable installation torque enabled by 1/16" hex drive in headless configuration
  • Consistent mechanical performance maintained through Rockwell B80 hardness rating
  • Industry-standard compliance with ASME B18.3 specifications for guaranteed interchangeability
  • Environmental regulation adherence meeting RoHS 3 and REACH requirements for global applications

Professional Applications & Engineering Value

This 6-32 UNC set screw delivers critical engineering solutions for precision assembly applications where vibration resistance and permanent positioning are paramount. The 18-8 stainless steel composition provides excellent corrosion resistance in demanding environments while maintaining Rockwell B80 hardness for durable performance. The extended tip design ensures maximum contact surface area, preventing component slippage in high-torque applications. With Class 3A thread fit and coarse UNC threading, this headless set screw offers superior engagement in soft materials and blind holes commonly found in machinery, automotive, and electronic assemblies. The 1/16" hex drive facilitates secure installation in confined spaces while maintaining consistent clamping force.

Specification Summary & Compliance

Manufactured to ASME B18.3 standards with Class 3A thread fit precision, ensuring exact dimensional consistency and reliable performance. The 6-32 UNC coarse thread configuration provides optimal engagement while the extended tip maintains tight tolerances (tip diameter: 0.092" ±0.005", tip length: 0.076" -0.005" to 0"). Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees safe use across global industrial markets.

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