S-94288A114 1/4"-20 x 3/4" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Extreme-Strength Stainless Steel Flanged Hex Head Screws

0273FA00002 Extreme-Strength Stainless Steel Flanged Hex Head Screws
0273FA00002 Extreme-Strength Stainless Steel Flanged Hex Head Screws

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

Part No.
Part No. 0273FA00002
Equivalent to mcmaster :
94288A114

Basic Information

Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 5/16"
Head Height 1/4"

Dimensions

Length 3/4"
Flange Diameter 33/64"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Thread Diameter 0.25"
Thread Spacing Coarse
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 C38
Tensile Strength 170000 psi
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 from 18-8 stainless steel construction, ideal for harsh industrial environments
  • High tensile strength of 170,000 psi ensures reliable performance under heavy loads and vibration
  • Flanged design eliminates need for separate washers, speeding up assembly and reducing component count
  • External hex drive provides maximum torque transfer for secure tightening with standard tools
  • Class 2A thread fit offers consistent, reliable engagement while maintaining easy assembly
  • Coarse UNC threading enables faster installation and better performance in softer materials
  • Fully threaded design ensures maximum grip length and holding power throughout the fastener

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 18-8 stainless steel hex head screws combine exceptional corrosion resistance with high tensile strength to solve critical fastening challenges. The flanged design distributes clamping force evenly, preventing surface damage while eliminating the need for separate washers - reducing inventory and assembly time. With UNC coarse threading and Class 2A thread fit, these screws provide reliable performance in machinery, equipment manufacturing, and structural applications where vibration resistance and long-term durability are essential. The external hex drive ensures maximum torque application for secure fastening in high-stress environments.

Specification Summary & Compliance

This 1/4"-20 UNC thread screw features Class 2A thread fit for consistent dimensional accuracy and reliable assembly. Manufactured from 18-8 stainless steel with Rockwell C38 hardness and 170,000 psi tensile strength, the fastener meets industry standards for mechanical performance. The fully threaded, flanged hex head design complies with standard industrial specifications. Materials and manufacturing processes adhere to RoHS and REACH compliance requirements for environmental safety.

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