S-92800A251 7/16"-20 x 6" 18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws

0244FA01039 18-8 Stainless Steel Hex Head Screws
0244FA01039 18-8 Stainless Steel Hex Head Screws

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

Part No.
Part No. 0244FA01039
Equivalent to mcmaster :
92800A251

Basic Information

System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 5/8"
Head Height 9/32"

Dimensions

Length 6"

Thread Parameters

Thread Type UNF
Thread Size 7/16"-20
Thread Diameter 0.4375"
Thread Spacing Fine
Min Thread Length 1 1/8"
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

  • Exceptional 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 heavy-duty applications
  • Precision Class 2A thread fit guarantees consistent engagement and reduces assembly issues
  • Rockwell B70 hardness provides superior durability and resistance to wear during installation
  • Partial threading design offers optimal clamping force distribution for secure connections
  • External hex drive compatibility enables quick installation with standard tools, reducing labor time
  • Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

This 7/16"-20 UNF hex head screw delivers critical engineering advantages for industrial applications where corrosion resistance and mechanical strength are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment. The UNF fine thread configuration ensures superior vibration resistance compared to coarse threads, maintaining joint integrity in dynamic environments. With partial threading and Class 2A thread fit, this fastener offers precise clamping control for machinery assembly, structural frameworks, and heavy equipment where misalignment prevention is crucial. The combination of 80,000 psi tensile strength and Rockwell B70 hardness makes it suitable for high-stress applications while maintaining installation reliability.

Specification Summary & Compliance

This 6" hex head screw features 7/16"-20 UNF fine threads with Class 2A thread fit per ASME B1.1 standards, ensuring dimensional accuracy and interchangeability. The partially threaded design provides 1-1/8" minimum thread length with right-hand threading direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental compliance for industrial distribution and use.

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