S-94105A579 5/16"-18 x 5/8" ASME B18.3, ASTM F912 Set Screws

Set Screws

0635FA00135 Set Screws
0635FA00135 Set Screws

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

Part No.
Part No. 0635FA00135
Equivalent to mcmaster :
94105A579

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 5/8"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
Thread Diameter 0.313"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Flat
Drive Style Hex
Drive Size 5/32"

Material & Strength

Material Black-Oxide Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3, ASTM F912
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

  • Superior holding power with Class 3A thread fit for precise, vibration-resistant fastening in demanding applications.
  • Exceptional durability provided by alloy steel with a Rockwell C45 hardness, resisting wear and deformation under high stress.
  • Corrosion-resistant black-oxide finish enhances longevity and protects against rust in harsh industrial environments.
  • Secure and easy installation with a 5/32" hex drive, allowing for high torque application without cam-out.
  • Reliable flat tip design ensures maximum surface contact and prevents component damage during tightening.
  • Wide compatibility with 5/16"-18 UNC coarse threads, offering quick assembly and strong engagement in various materials.
  • Guaranteed compliance with major industry standards, ensuring consistent quality and material safety.

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw is engineered to address critical challenges in industrial assembly, such as component slippage and loosening under dynamic loads. The black-oxide alloy steel construction, combined with a Rockwell C45 hardness, provides excellent shear strength and fatigue resistance, making it ideal for heavy-duty machinery, automotive systems, and precision equipment. The Class 3A thread fit and coarse thread spacing ensure tight tolerances and rapid installation, reducing downtime. Its headless design and flat tip offer a flush finish and secure grip, preventing damage to adjacent parts. By meeting ASME B18.3 specifications, this fastener delivers reliable performance in high-vibration environments, enhancing the longevity and safety of your assemblies.

Specification Summary & Compliance

This set screw features a 5/16"-18 UNC thread with Class 3A precision fit and coarse spacing for optimal engagement. It complies with ASME B18.3 manufacturing standards and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and material integrity.

🔍
Cancel