S-92845A755 5/16"-24 x 5/8" ASME B18.3 Set Screws

Set Screws

0658FA00089 Set Screws
0658FA00089 Set Screws

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

Part No.
Part No. 0658FA00089
Equivalent to mcmaster :
92845A755

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 5/8"

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
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
  • Precise, secure fastening thanks to Class 3A thread fit, ensuring minimal backlash and vibration resistance in critical assemblies.
  • High-strength performance with Rockwell B80 hardness, providing excellent durability and resistance to wear.
  • Easy installation and removal using a standard 5/32" hex key, compatible with common tools for efficient maintenance.
  • Enhanced grip and positioning from the extended tip design, offering better component alignment and reduced slipping.
  • Reliable fine threading with 5/16"-24 UNF, allowing for finer adjustments and higher clamping force in tight spaces.
  • Compliance with industry standards including ASME B18.3, ensuring consistent quality and interoperability in professional applications.

Professional Applications & Engineering Value

This 5/16"-24 UNF Class 3A set screw is engineered to address common industrial challenges such as component misalignment and loosening under dynamic loads. Crafted from 18-8 Stainless Steel, it offers exceptional corrosion resistance, making it suitable for machinery, automotive, and electronics where exposure to moisture or chemicals is a concern. The extended tip and fine thread spacing provide superior gripping force, reducing the risk of slippage in precision assemblies like motor shafts or gear systems. Its hex headless design allows for flush mounting in confined spaces, while the right-hand thread ensures straightforward installation. By meeting ASME B18.3 standards, this set screw delivers consistent performance, minimizing downtime and enhancing the longevity of industrial equipment.

Specification Summary & Compliance

This set screw adheres to precise dimensional tolerances, including a Class 3A thread fit for high accuracy in UNF fine threading. It complies with ASME B18.3 manufacturing specifications and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global supply chains.

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