S-90778A243 10-24 x 1/2" ASME B18.3 Set Screws

Set Screws

0671FA00020 Set Screws
0671FA00020 Set Screws

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

Part No.
Part No. 0671FA00020
Equivalent to mcmaster :
90778A243

Basic Information

System of Measurement Inch

Head Parameters

Head Type Headless

Dimensions

Length 1/2"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A

Tip & Drive Parameters

Tip Type Cone
Cone Point Angle 90°
Drive Style Hex
Drive Size 3/32"

Material & Strength

Material 316 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 316 Stainless Steel construction, ideal for harsh environments and extended service life
  • Precise and secure fastening ensured by Class 3A thread fit, providing excellent dimensional accuracy and vibration resistance
  • High mechanical strength with Rockwell B80 hardness, offering reliable performance under load and stress
  • Effective anti-loosening grip from the 90° cone point, which bites into surfaces to prevent component slippage
  • Easy installation in confined spaces thanks to the headless design and 3/32" hex drive, allowing for flush mounting
  • Broad industrial compatibility with UNC coarse threads (10-24), facilitating quick assembly and disassembly
  • Compliance with major standards including ASME B18.3, ensuring consistent quality and interchangeability

Professional Applications & Engineering Value

This 10-24 UNC set screw in 316 Stainless Steel is engineered to address critical challenges in industrial settings, such as corrosion from chemicals, moisture, and high temperatures. Its headless design and hex drive enable secure, low-profile fastening in machinery, automotive components, and precision equipment where space is limited. The Class 3A thread fit and coarse thread spacing provide a tight, vibration-resistant hold, reducing maintenance needs and downtime. With a 90° cone point angle, it delivers superior gripping force on shafts and collars, preventing rotational movement in dynamic applications. Ideal for right-hand thread assemblies, this screw meets the demands of industrial set screws requiring durability and regulatory adherence.

Specification Summary & Compliance

This set screw features a 10-24 UNC thread size with Class 3A thread fit for high precision and a coarse thread spacing to ease assembly. It adheres to ASME B18.3 specifications for dimensional consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity in industrial use.

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