S-90291A825 10-32 ASME B18.3 Set Screws

Set Screws

0644FA00046 Set Screws
0644FA00046 Set Screws

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

Part No.
Part No. 0644FA00046
Equivalent to mcmaster :
90291A825

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Thread Parameters

Thread Type UNF
Thread Size 10-32
Thread Diameter 0.19"
Thread Spacing Fine
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 3/32"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B80

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3

Installation & Application

Long 1/4"
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 vibration resistance with durable nylon 6/6 plastic tip that maintains grip under dynamic loads
  • Precise thread engagement through Class 3A thread fit ensuring reliable, tight fastening in critical applications
  • Excellent corrosion resistance provided by 18-8 stainless steel construction for long-term durability
  • Wide temperature tolerance from -50° to 250°F (-45° to 121°C) for diverse industrial environments
  • Secure installation with hex drive design allowing high torque application without head protrusion
  • Enhanced material protection through non-marring nylon tip that prevents damage to contact surfaces
  • Consistent performance backed by Rockwell B80 hardness for reliable mechanical properties

Professional Applications & Engineering Value

This 10-32 UNF Class 3A nylon tip set screw delivers exceptional engineering value in applications requiring vibration-resistant fastening and surface protection. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining Rockwell B80 hardness for durable performance. The nylon 6/6 plastic tip serves as a critical component in preventing surface marring and maintaining secure positioning under dynamic conditions, making it ideal for precision equipment, machinery components, and assembly applications where fine thread engagement and reliable clamping force are essential. The headless hex drive design enables flush mounting in confined spaces while allowing sufficient torque application during installation.

Specification Summary & Compliance

This set screw features 10-32 UNF fine threads with Class 3A thread fit for precision applications, manufactured to ASME B18.3 specifications. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for various industrial and commercial applications. The combination of 18-8 stainless steel material properties and nylon tip construction delivers reliable performance across the specified temperature range of -50° to 250°F.

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