S-92240A305 5/16"-24 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA00689 18-8 Stainless Steel Hex Head Screws
0244FA00689 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA00689
Equivalent to mcmaster :
92240A305

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/2"
Head Height 13/64"

Dimensions

Length 1"

Thread Parameters

Thread Type UNF
Thread Size 5/16"-24
Thread Diameter 0.3125"
Thread Spacing Fine
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style External Hex

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B70
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.2.1
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.
  • High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and stress.
  • Precision Class 2A thread fit guarantees smooth assembly and secure fastening in fine-thread applications.
  • Fully threaded design provides maximum grip and uniform load distribution along the entire length.
  • External hex drive and hex head allow for easy installation and removal with standard tools.
  • Compliance with ASME B18.2.1 standards ensures consistent quality and interchangeability.
  • RoHS 3 and REACH compliance supports environmental safety and regulatory requirements.

Professional Applications & Engineering Value

This 5/16"-24 UNF hex head screw in 18-8 Stainless Steel is engineered to address common industrial challenges, such as corrosion in humid or chemical-exposed settings. Its fine thread spacing and Class 2A thread fit provide excellent vibration resistance and precise alignment in machinery, automotive, and construction assemblies. The fully threaded design enhances load-bearing capacity, reducing the risk of loosening under dynamic stresses. With an external hex drive, it simplifies maintenance and installation, making it a dependable choice for high-strength fastening applications where durability and compliance with ASME B18.2.1 are critical.

Specification Summary & Compliance

This fastener adheres to Class 2A thread tolerances per UNF standards, with precise dimensions including a 1" length and fine thread spacing. It meets ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.

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