S-90291A192 8-32 ASME B18.3 Set Screws

Set Screws

0644FA00015 Set Screws
0644FA00015 Set Screws

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

Part No.
Part No. 0644FA00015
Equivalent to mcmaster :
90291A192

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Thread Parameters

Thread Type UNC
Thread Size 8-32
Thread Diameter 0.164"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Soft
Tip Length 0.047"
Tip Diameter 0.094"
Tip Material Nylon 6/6 Plastic
Tip Color Green
Tip Temperature Range -50° to 250° F
Drive Style Hex
Drive Size 5/64"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B80

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3

Installation & Application

Long 3/8"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior vibration resistance with durable nylon 6/6 plastic tip that prevents loosening under dynamic loads
  • Excellent corrosion protection from 18-8 stainless steel construction for long service life in harsh environments
  • Precise thread engagement with Class 3A fit ensuring reliable, secure fastening in critical applications
  • Wide temperature compatibility with tip operating range from -50° to 250°F for diverse industrial settings
  • Easy installation and removal through hex drive design with 5/64" drive size for efficient maintenance
  • Reduced surface damage thanks to soft nylon tip that protects mating components during clamping
  • Industry-standard compliance meeting ASME B18.3 specifications for guaranteed performance and interchangeability

Professional Applications & Engineering Value

This 8-32 UNC set screw with nylon tip delivers exceptional engineering value in applications requiring secure positioning and vibration resistance. The 18-8 stainless steel construction provides reliable corrosion resistance in demanding environments, while the Class 3A thread fit ensures precise engagement and maximum holding power. The headless design with hex drive allows for flush mounting in confined spaces, making it ideal for precision equipment, machinery components, and assembly fixtures. The nylon 6/6 plastic tip protects sensitive surfaces from marring while maintaining grip under vibration, solving common challenges in manufacturing, automation, and electronic enclosures where repeated adjustments and secure fastening are critical.

Specification Summary & Compliance

This set screw features 8-32 UNC coarse threads with Class 3A fit for precision tolerance, manufactured from 18-8 stainless steel with Rockwell B80 hardness. The product complies with ASME B18.3 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both performance reliability and regulatory compliance for industrial applications worldwide.

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