S-92845A752 5/16"-24 x 5/16" ASME B18.3 Set Screws

Set Screws

0658FA00086 Set Screws
0658FA00086 Set Screws

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

Part No.
Part No. 0658FA00086
Equivalent to mcmaster :
92845A752

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 5/16"

Thread Parameters

Thread Type UNF
Thread Size 5/16"-24
Thread Diameter 0.313"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Extended
Tip Length 0.082"
Tip Length Tolerance -0.005" to 0"
Tip Diameter 0.203"
Tip Diameter Tolerance -0.008" to 0"
Drive Style Hex
Drive Size 5/32"

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
  • Precise, reliable positioning thanks to Class 3A thread fit and fine thread spacing for minimal backlash
  • High torque transmission enabled by the 5/32" hex drive, reducing the risk of stripping during installation
  • Enhanced holding power from the extended tip design, which increases surface contact and resists loosening under vibration
  • Consistent mechanical performance with Rockwell B80 hardness, providing excellent durability and wear resistance
  • Broad regulatory compliance meeting ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards
  • Right-hand thread design for standard installation and ease of use in common assembly applications

Professional Applications & Engineering Value

This 5/16"-24 UNF Class 3A set screw is engineered to address critical challenges in industrial assembly, such as component slippage and corrosion-induced failure. The 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, making it suitable for applications in machinery, automotive, and outdoor equipment. The extended tip and fine thread spacing ensure a secure fit, reducing the need for frequent adjustments in high-vibration environments. Its hex headless design with a 5/32" drive allows for efficient installation in tight spaces, while the Class 3A thread fit guarantees precise alignment and load distribution. This set screw is ideal for securing gears, pulleys, and other rotating parts, providing long-term reliability and reducing maintenance costs.

Specification Summary & Compliance

This set screw features a 5/16"-24 UNF thread with Class 3A fit for high precision and minimal tolerance. It complies with ASME B18.3 manufacturing standards, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.

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