S-92800A414 1/2"-20 x 6" 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA01178 18-8 Stainless Steel Hex Head Screws
0244FA01178 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA01178
Equivalent to mcmaster :
92800A414

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/4"
Head Height 5/16"

Dimensions

Length 6"

Thread Parameters

Thread Type UNF
Thread Size 1/2"-20
Thread Diameter 0.5"
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

  • Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
  • Exceptional tensile strength rated at 80,000 psi for secure, heavy-duty fastening in demanding applications
  • Precise Class 2A fine threading ensures smooth installation, reliable engagement, and reduced risk of cross-threading
  • High hardness (Rockwell B70) provides excellent wear resistance and durability under repeated use
  • Full threading along the 6" length offers maximum grip and adjustability across the entire fastener
  • External hex drive design allows for high-torque application with standard tools, speeding up assembly
  • Compliance with RoHS 3 and REACH regulations guarantees environmental safety and global market acceptance

Professional Applications & Engineering Value

This 1/2"-20 UNF hex head screw is engineered to solve critical industrial fastening challenges. The 18-8 stainless steel material delivers outstanding corrosion resistance, making it perfect for applications exposed to moisture, chemicals, or outdoor elements—such as marine equipment, food processing machinery, and structural assemblies. The fine thread (UNF) and Class 2A thread fit provide superior vibration resistance and clamping force, reducing the need for frequent retightening in dynamic environments. With an external hex drive and fully threaded design, installation is efficient and allows for uniform stress distribution. These screws are widely used in heavy-duty industrial settings, including construction, automotive, and manufacturing, where high tensile strength and long-term reliability are non-negotiable.

Specification Summary & Compliance

This hex head screw features a 1/2"-20 UNF fine thread with Class 2A tolerance for precise fit and consistent performance. It is manufactured from 18-8 stainless steel, offering a hardness of Rockwell B70 and 80,000 psi tensile strength. The product is fully threaded and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.

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