S-92800A200 1/4"-20 x 2 3/8" 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA00988 18-8 Stainless Steel Hex Head Screws
0244FA00988 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA00988
Equivalent to mcmaster :
92800A200

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 7/16"
Head Height 5/32"

Dimensions

Length 2 3/8"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Min Thread Length 3/4"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially 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

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
  • Exceptional 80,000 PSI tensile strength ensures reliable performance in demanding applications
  • Rockwell B70 hardness provides excellent durability and wear resistance
  • Coarse UNC threading with Class 2A fit offers quick assembly and secure fastening
  • Partially threaded design allows for precise clamping force distribution
  • External hex drive enables easy installation with standard tools
  • Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance

Professional Applications & Engineering Value

This 1/4"-20 UNC hex head screw delivers exceptional engineering value through its 18-8 Stainless Steel composition and 80,000 PSI tensile strength. The corrosion-resistant material prevents degradation in challenging environments, while the coarse UNC thread design ensures rapid installation and reliable performance in vibration-prone applications. The partially threaded configuration provides optimal stress distribution, making it ideal for heavy machinery, structural assemblies, and industrial equipment where consistent clamping force is critical. With Rockwell B70 hardness, these external hex drive screws maintain their integrity through repeated use, solving common fastening failures in manufacturing and construction applications.

Specification Summary & Compliance

This 1/4"-20 UNC hex head screw features precise Class 2A thread fit tolerances and coarse thread spacing for optimal performance. The fastener measures 2 3/8" in length with a minimum thread length of 3/4" and is manufactured to meet industry standards for external hex drive applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial and commercial use worldwide.

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