S-94115A144 6-32 x 1/4" ASME B18.3 Set Screws

Set Screws

0646FA00009 Set Screws
0646FA00009 Set Screws

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

Part No.
Part No. 0646FA00009
Equivalent to mcmaster :
94115A144

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

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

Tip & Drive Parameters

Tip Type Soft
Tip Length 0.031"
Tip Diameter 0.063"
Tip Material Nylon 6/6 Plastic
Tip Color Green
Tip Temperature Range -50° to 250° F
Drive Style Hex
Drive Size 1/16"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C28

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
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Prevents surface damage with a durable green nylon 6/6 plastic tip that won't mar or scratch components during fastening.
  • Superior corrosion resistance thanks to the black-oxide finish on the alloy steel body, extending service life in harsh environments.
  • High-strength, precision fit achieved through Class 3A thread tolerance, ensuring reliable, vibration-resistant connections.
  • Wide temperature tolerance with a nylon tip that performs consistently from -50° to 250°F, ideal for varied operating conditions.
  • Easy installation and removal using the 1/16" hex drive, providing secure torque application in confined, headless designs.
  • Enhanced durability from the alloy steel construction and Rockwell C28 hardness, resisting wear and deformation under load.
  • Broad industry compliance meeting ASME B18.3, RoHS 3, and REACH standards for safe, reliable use in regulated applications.

Professional Applications & Engineering Value

This 6-32 x 1/4" set screw is engineered to address common industrial challenges like component slippage and surface protection in precision assemblies. The black-oxide alloy steel construction offers excellent corrosion resistance, while the green nylon 6/6 plastic tip prevents damage to sensitive surfaces, making it ideal for machinery, electronics, and automotive applications. With a coarse UNC thread and Class 3A fit, it ensures quick, secure fastening even in high-vibration environments. The hex drive design allows for efficient torque application in tight spaces, reducing installation time and improving maintenance workflows. Its ability to maintain integrity across a wide temperature range from -50° to 250°F supports use in both indoor and outdoor settings, delivering consistent performance and reducing the need for frequent replacements.

Specification Summary & Compliance

This set screw features a 6-32 UNC coarse thread with a Class 3A thread fit for high precision and reliability. It complies with ASME B18.3 manufacturing standards, ensuring consistent quality and dimensional accuracy. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances. The specifications include a thread diameter of 0.138", length of 1/4", and tip dimensions of 0.031" length and 0.063" diameter, supporting exacting application requirements.

🔍
Cancel