S-97263A758 1/4"-20 x 3/4" Plastic Round Head Slotted Screws

Plastic Round Head Slotted Screws

0138FA00053 Plastic Round Head Slotted Screws
0138FA00053 Plastic Round Head Slotted Screws

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

Part No.
Part No. 0138FA00053
Equivalent to mcmaster :
97263A758

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 3/4"

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 - Nylon plastic construction eliminates rust and galvanic corrosion, ideal for humid or chemical environments
  • Wide temperature tolerance - Maintains performance from -40° to 185°F (-40° to 85°C) for diverse operating conditions
  • Secure fastening with Class 2A thread fit - UNC coarse threading provides reliable engagement and vibration resistance
  • Full thread engagement - Fully threaded design maximizes holding power across the entire fastener length
  • Easy installation and removal - Standard slotted drive accepts common screwdrivers for quick assembly
  • Electrical insulation properties - Non-conductive nylon material prevents electrical shorts in sensitive applications
  • Environmental compliance - RoHS 3 (2015/863/EU) compliant for restricted substance-free manufacturing

Professional Applications & Engineering Value

This nylon plastic rounded head screw delivers critical engineering advantages where metal fasteners fail. The non-conductive properties make it ideal for electrical enclosures, control panels, and electronic assemblies where electrical isolation is paramount. The corrosion-resistant nylon material withstands moisture, chemicals, and UV exposure without degradation, eliminating galvanic corrosion concerns in mixed-material assemblies. With UNC coarse threading and Class 2A fit, these screws provide reliable fastening in plastic and soft materials where fine threads might strip. The rounded head profile offers a finished appearance while the slotted drive ensures compatibility with standard tools for maintenance-friendly installations across industrial, marine, and outdoor equipment applications.

Specification Summary & Compliance

This 1/4"-20 UNC threaded screw features precise Class 2A thread fit per ASME B1.1 standards, ensuring proper clearance and engagement. The coarse thread spacing provides superior performance in plastic and soft materials. Manufactured with 0.472" head diameter and 3/4" length in inch system measurements. Fully compliant with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous substances for environmentally responsible manufacturing and usage.

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