S-92198A502 1/4"-20 x 14" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA00399 18-8 Stainless Steel Hex Head Screws
0244FA00399 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA00399
Equivalent to mcmaster :
92198A502

Basic Information

System of Measurement Inch

Head Parameters

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

Dimensions

Length 14"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
Min Thread Length 1"
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
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 in demanding applications
  • Rockwell B70 hardness provides excellent durability and resistance to wear
  • UNC coarse threading with Class 2A fit enables faster assembly and secure fastening
  • Partial threading design offers optimal grip and shear strength where needed
  • External hex drive allows for easy installation with standard tools
  • Full compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

Engineered for industrial applications requiring long-term reliability, this 1/4"-20 hex head screw combines 18-8 stainless steel material with UNC coarse threading to solve common engineering challenges. The corrosion-resistant properties prevent degradation in moist or chemical environments, while the 80,000 psi tensile strength and Rockwell B70 hardness ensure structural integrity under heavy loads. The partially threaded design provides enhanced clamping force in construction, machinery assembly, and infrastructure projects, reducing the risk of loosening from vibrations. Its external hex drive facilitates quick installation in confined spaces, making it a versatile choice for OEM and MRO applications.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit and UNC coarse thread specifications, manufactured in accordance with ASME B18.2.1 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for global industrial use.

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