S-92800A384 5/16"-24 x 4" 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA01148 18-8 Stainless Steel Hex Head Screws
0244FA01148 18-8 Stainless Steel Hex Head Screws

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Part No.
Part No. 0244FA01148
Equivalent to mcmaster :
92800A384

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Length 4"

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
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing maintenance costs.
  • High tensile strength of 80,000 psi ensures reliable performance under heavy loads, minimizing the risk of fastener failure.
  • Rockwell B70 hardness provides superior durability and wear resistance, extending the screw's service life in demanding applications.
  • Precision Class 2A thread fit with UNF fine spacing allows for smooth assembly and secure fastening in high-vibration settings.
  • External hex drive design enables easy installation and removal with standard tools, improving workflow efficiency.
  • Full threading along the 4-inch length offers versatile engagement options and consistent clamping force across various material thicknesses.
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards for responsible manufacturing.

Professional Applications & Engineering Value

This 5/16"-24 UNF hex head screw is engineered from 18-8 stainless steel to address common industrial challenges like corrosion and mechanical stress. Its fine thread and Class 2A fit provide precise alignment and vibration resistance, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is critical. The external hex drive facilitates quick installation in tight spaces, while the fully threaded design ensures uniform load distribution. Suitable for applications requiring high tensile strength and regulatory compliance, this screw delivers long-term performance in demanding environments without compromising on safety or efficiency.

Specification Summary & Compliance

This screw features a 5/16"-24 UNF fine thread with Class 2A thread fit for precise dimensional accuracy, adhering to standard inch measurements. It is manufactured from 18-8 stainless steel with a tensile strength of 80,000 psi and Rockwell B70 hardness. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.

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