S-97263A754 1/4"-20 x 1/4" Plastic Round Head Slotted Screws

Plastic Round Head Slotted Screws

0138FA00049 Plastic Round Head Slotted Screws
0138FA00049 Plastic Round Head Slotted Screws

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

Part No.
Part No. 0138FA00049
Equivalent to mcmaster :
97263A754

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.472"
Head Height 0.175"
Rounded Head Profile Standard
Rounded Head Style Round

Dimensions

Length 1/4"

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 Slotted

Material & Strength

Material Nylon Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -40° to 185° F
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

  • Excellent corrosion resistance due to nylon plastic construction, ideal for harsh or humid environments without rust concerns
  • Non-conductive and electrically insulating properties ensure safe use in electrical applications where metal fasteners pose risks
  • Wide temperature tolerance from -40° to 185°F maintains integrity in varied thermal conditions without degrading
  • Class 2A thread fit with UNC coarse threading provides reliable, easy engagement and consistent fastening performance
  • Fully threaded design offers maximum grip and holding power along the entire screw length
  • RoHS 3 compliance guarantees environmental safety and meets stringent regulatory standards for hazardous substances
  • Slotted rounded head allows for straightforward installation with standard tools, reducing assembly time

Professional Applications & Engineering Value

This 1/4"-20 UNC nylon plastic rounded head slotted screw is engineered to address common industrial challenges where metal fasteners fall short. Its nylon material inherently resists corrosion, eliminating galvanic reactions and making it perfect for marine, chemical, or outdoor applications. The non-conductive properties prevent electrical shorts, essential in electronics enclosures, control panels, and telecommunications equipment. With a coarse UNC thread and Class 2A fit, it ensures quick, secure fastening in plastic or soft materials, reducing cross-threading risks. The fully threaded design and temperature resistance from -40° to 185°F provide reliable performance in automotive, HVAC, and consumer goods assemblies, offering a lightweight, durable alternative that won't corrode or conduct electricity.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It is manufactured to meet RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. The specifications include a 1/4"-20 thread size, right-hand thread direction, and fully threaded construction, providing reliable fastening in various industrial applications.

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